Bloody Sunday (Irish: Domhnach na Fola)^[1]—sometimes called the Bogside Massacre^[2]—was an incident in Derry,^[3] Northern Ireland, on 30 January 1972. Twenty-seven civil rights protesters were shot by members of the 1st Battalion of the British Parachute Regiment during a Northern Ireland Civil Rights Association march in the Bogside area of the city.^[4] Thirteen people, seven of whom were teenagers, died immediately, while the death of another person 4½ months later has been attributed to the injuries he received on the day. Two protesters were injured when they were run down by army vehicles.^[5] Many witnesses, including bystanders and journalists, testify that all those shot were unarmed. Five of those wounded were shot in the back.^[6]