Ivan Cooper Ivan Cooper Ivan Averill Cooper (born January 1944) is a former politician from Northern Ireland who was a member of the Parliament of Northern Ireland, and a founding member of the SDLP. He is best known for leading an anti-internment march which developed into the Bloody Sunday massacre on 30 January 1972, in Derry, County Londonderry, Northern Ireland. Cooper was born to a working-class Protestant family in Killaloo, County Londonderry, and later moved to the "Bogside" area of Derry city. He was briefly a member of the Claudy Young Unionist Association until April 1965 when he joined the Northern Ireland
Battle of the Bogside the Derry Catholics". Although the march did not pass through the Bogside, it passed near to it at the junction of Waterloo Place and William Street. It was here that trouble broke out. Initially, some loyalists had thrown pennies from the top of the walls at Catholics in the Bogside below, in return marbles were fired by slingshot. As the parade passed the perimeter of the Bogside, Catholics hurled stones and nails, resulting in an intense confrontation. The police, who had suffered a barrage of missiles, then moved in. Whilst the police fought with the rioters at William Street, officers