Bloody Sunday, or the Bogside Massacre, was a massacre on 30 January 1972 in the Bogside area of Derry, Northern Ireland, United Kingdom, when British soldiers shot 26 unarmed civilians during a protest march against internment without trial. ... Two investigations were held by the British government.
Thirteen people were killed and 15 people wounded after members of the Army's Parachute Regiment opened fire on civil rights demonstrators in the Bogside a predominantly Catholic part of Londonderry on Sunday 30 January 1972.