St Patrick's Day 2016 - Everything you need to know from parades and concerts to history and legacy

Belfast St Patrick's day celebrations in 2015. Thousands of people descend on Belfast City centre. Picture Mark Marlow/Pacemaker Press

Belfast St Patrick's day celebration 2015

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Pictured from the McCullough school of Irish dance are Ellan Cross and Cora Rose Corry with Naomi McMullan. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Boyband 'HomeTown' play at Custom house Square Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Boyband 'HomeTown' play at Custom house Square Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is Jinxing Lin, Axel Beauvisage during St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is Lord Mayor Nichola Mallon during St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Picture - Kevin Scott / Presseye Tuesday 17th March 2015 - St Patricks' Day Celebrations 2015 - Belfast Pictured is Ellie and Erin Kane during St Patricks' day celebrations in Belfast that take place in front of a crowed of thousands who have lined the streets amid the celebrations Picture - Kevin Scott / Presseye

Kevin Scott / Presseye

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Pictured from the McCullough school of Irish dance are Ellan Cross and Cora Rose Corry with Naomi McMullan. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

Pacemaker press 17/3/15 Belfast St Patrick's day celebrations. Thousands of people descended on belfast City centre to celebrate St Patricks day. The event organised by the Belfast City Council is a great family day out taking a modern yet traditional look the annual festival. Picture Mark Marlow/pacemaker press

St Patrick's Day Carnival parade and Concert in Belfast city centre. March 17 2015.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Boyband 'HomeTown' play at Custom house Square Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Boyband 'HomeTown' play at Custom house Square Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Irish dancers on stage Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Highland dancers on stage Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Highland dancers on stage Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Belfast Lord Mayor with Citybeat?s Stephen Clements and Sara?Neil. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Councillor Tierna Cunningham Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

St Patrick's Day Carnival parade and Concert in Belfast city centre. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Baby Yuji Itoh Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Mayumi Itoh at the parade Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Sandra and Trevor McKeeman Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

St Patrick's Day Carnival parade and Concert in Belfast city centre. Picture Presseye

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Lord Mayor Nichola Mallon meets some of the participants. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Lord Mayor Nichola Mallon meets some of the participants. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city?s annual spectacular St Patrick?s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Lord Mayor Nichola Mallon meets some of the participants. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

Press Eye - Belfast - Northern Ireland - 17th March 2015 - St Patrick's Day Carnival parade and Concert in Belfast city centre. Thousands of people descended on Belfast city centre today (17 March) to enjoy the city??s annual spectacular St Patrick??s Day parade and concert. Organised by Belfast City Council, the family-friendly celebrations were officially started by Lord Mayor Nichola Mallon who led the high-energy carnival parade, created by BEAT Carnival. Picture by Kelvin Boyes / Press Eye.

People in Rome taking selfies in front of the ‘greened’ Colosseum.

Niagara Falls joins Tourism Ireland’s Global Greening, to celebrate the island of Ireland and St Patrick.

Mussenden Temple and Venus, pictured by Glenn Miles

Coca-Cola London Eye on London's South Bank is lit green by Tourism Ireland to celebrate St Patrick's Day, which is on Tuesday 17th March.

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SYDNEY, AUSTRALIA - MARCH 17: Patron celebrate St Patrick's Day at the Harbour View Hotel on March 17, 2015 in Sydney, Australia. March 17th commemorates Saint Patrick and the arrival of Christianity in Ireland, as well as celebrating Irish heritage and culture. (Photo by Brendon Thorne/Getty Images)

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The Great Wall of China went green for St Patrick's Day 2015

The Cibeles Fountain and Palacio de Comunicaciones in Madrid, illuminated in green as part of Tourism Ireland’s Global Greening initiative, to celebrate the island of Ireland and St Patrick.

Christ the Redeemer illuminated in green to celebrate the upcoming Irish festivity of Saint Patrick's Day, atop Corcovado hill in Rio de Janeiro, Brazil, on March 15, 2015. AFP PHOTO / YASUYOSHI CHIBAYASUYOSHI CHIBA/AFP/Getty Images

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SYDNEY, AUSTRALIA - MARCH 17: Patrons celebrate St Patrick's Day at the Orient Hotel on March 17, 2015 in Sydney, Australia. March 17th commemorates Saint Patrick and the arrival of Christianity in Ireland, as well as celebrating Irish heritage and culture. (Photo by Brendon Thorne/Getty Images)

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SYDNEY, AUSTRALIA - MARCH 17: Patrons celebrate St Patrick's Day at the Orient Hotel on March 17, 2015 in Sydney, Australia. March 17th commemorates Saint Patrick and the arrival of Christianity in Ireland, as well as celebrating Irish heritage and culture. (Photo by Brendon Thorne/Getty Images)

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The Sky Tower in Auckland, New Zealand, illuminated in green as part of Tourism Irelands Global Greening initiative, to celebrate the island of Ireland and St Patrick.

Nelson's Column in Trafalgar Square, London is lit green by Tourism Ireland in celebration ahead of St Patrick's Day, on Tuesday 17th.

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Kayakers float on the Chicago River after being dyed green ahead of the St. Patrick's Day parade in Chicago, Saturday, March 14, 2015. (AP Photo/Paul Beaty)

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The Allianz Arena, home to Bayern Munich, illuminated in green as part of Tourism Irelands Global Greening initiative, to celebrate the island of Ireland and St Patrick.

Cabot Tower on Signal Hill, St Johns, Newfoundland and Labrador (Canada), joins Tourism Irelands Global Greening, to celebrate the island of Ireland and St Patrick.

The iconic Christ the Redeemer statue in Rio de Janeiro, Brazil, illuminated in green as part of Tourism Irelands Global Greening initiative to celebrate the island of Ireland and St Patrick.

Ciara Kelly photographs Gareth Maguire on a mobile phone by the Meridian Line at the Royal Observatory in Greenwich, south east London, which is decorated green by Tourism Ireland to celebrate St Patrick's Day, which is on Tuesday 17th March.

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The Colosseum in Rome joins Tourism Ireland’s Global Greening, to celebrate the island of Ireland and St Patrick.

The Meridian Line at the Royal Observatory in Greenwich, south east London, is decorated green by Tourism Ireland to celebrate St Patrick's Day, which is on Tuesday 17th March.

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SYDNEY, AUSTRALIA - MARCH 17: Patrons celebrate St Patrick's Day at P.J. O'Brien's Irish pub on March 17, 2015 in Sydney, Australia. March 17th commemorates Saint Patrick and the arrival of Christianity in Ireland, as well as celebrating Irish heritage and culture. (Photo by Brendon Thorne/Getty Images)

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SYDNEY, AUSTRALIA - MARCH 17: Patrons celebrate St Patrick's Day at P.J. O'Brien's Irish pub on March 17, 2015 in Sydney, Australia. March 17th commemorates Saint Patrick and the arrival of Christianity in Ireland, as well as celebrating Irish heritage and culture. (Photo by Brendon Thorne/Getty Images)

Getty Images

SYDNEY, AUSTRALIA - MARCH 17: Patrons celebrate St Patrick's Day at the Orient Hotel on March 17, 2015 in Sydney, Australia. March 17th commemorates Saint Patrick and the arrival of Christianity in Ireland, as well as celebrating Irish heritage and culture. (Photo by Brendon Thorne/Getty Images)

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Edinburgh Castle in Scotland illuminated green as it is among more than 100 international landmarks turning green to mark St Patrick's Day.

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Glasgow's SSE Hydro Arena and Armadillo in Scotland illuminated green as they are among mo

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Edinburgh Airport control tower in Scotland illuminated green as it is among more than 100 international landmarks turning green to mark St Patrick's Day.

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Retired professional boxer Barry McGuigan at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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Bolivian traditional dancers take part in the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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People dressed up at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A woman waves an Irish flag at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A group of girls at the Mayor of London's St Patrick's Day Parade and Festival in London. PRESS ASSOCIATION Photo. Picture date: Sunday March 15, 2015. Daniel Leal-Olivas/PA Wire.

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People celebrate at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

People celebrate at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

A girl holds an Irish flag at the front of a band at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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People gather at Trafalgar Square at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A mobile figure of St. Patrick at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A bystander takes a photo of a elephant float at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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People at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire

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A woman waves an Irish flag at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A woman waves an Irish flag at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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People dressed up at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A participant at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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People dressed up at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A woman enjoys the day at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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A woman enjoys the day at the Mayor of London's St Patrick's Day Parade and Festival in London. Daniel Leal-Olivas/PA Wire.

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Nelson's Column in Trafalgar Square, London is lit green by Tourism Ireland in celebration ahead of St Patrick's Day. Matt Alexander/PA Wire .

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