History of Derry of the Troubles". On Sunday January 30, 1972, 13 unarmed civilians were shot dead by British paratroopers during a civil rights march in the Bogside area. Another 13 were wounded and one further man later died of his wounds. This event came to be known as Bloody Sunday. Because of these events, certain areas of Derry produced strong support for republican paramilitaries. Up to 1972, both the Provisional Irish Republican Army and Official IRA operated in the city. However, in 1972 the OIRA called a ceasefire following their unpopular killing a local 18-year-old who was on leave from the British
Bogside for both wings of the IRA in the city. After Operation Motorman and the end of Free Derry and other no-go areas in Northern Ireland, the Bogside along with the majority of the city experienced frequent street riots and sectarian conflict lasting all the way to the early 1990s. In 1974, the Official IRA declared an end to their armed campaign, and with volunteers on the ground already mad about the ceasefire in mid 1972, that crossed the line to hardliners. In result, Seamus Costello and other socialist militants formed the Irish Republican Socialist Movement. This new movement included the