Ivan Cooper led an anti-internment march which developed into a massacre where how many people died ?
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, Northern Ireland.
Napalpí massacre The Napalpí massacre occurred on July 19, 1924, in Napalpí in the Chaco territory of Northeast Argentina. It involved the massacre of 400 indigenous people of the Toba ethnicity by the Argentine Police and ranchers.