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
Columbine Mine massacre Columbine Mine massacre The Columbine Mine massacre, sometimes called the Columbine massacre, occurred in 1927, in the town of Serene, Colorado. A fight broke out between Colorado state police and a group of striking coal miners, during which the unarmed miners were attacked with firearms. The miners testified that machine guns were fired at them, which the state police disputed. Six strikers were killed, and dozens were injured. The company town of Serene, Colorado, nestled on a rolling hillside, was the home of the Columbine mine. The strike was five weeks old and strikers had been conducting morning rallies at