1966 The Ulster Volunteer Force declares war on the Irish Republican Army in Northern Ireland.
1969 British troops are deployed in Northern Ireland.
1972 Bloody Sunday: British Paratroopers kill fourteen unarmed civil rights/anti internment marchers in Northern Ireland.
1979 An IRA bomb kills British World War II admiral Louis Mountbatten, 1st Earl Mountbatten of Burma and 3 others while they are boating on holiday in Sligo, Republic of Ireland. Another bomb near Warrenpoint, Northern Ireland kills 18 British soldiers.
1987 Remembrance Day Bombing: A Provisional IRA bomb explodes in Enniskillen, Northern Ireland during a ceremony honouring those who had died in wars involving British forces. Twelve people are killed and sixty-three wounded.
1989 Attack on Derryard checkpoint: The Provisional Irish Republican Army launch an attack on a British Army permanent vehicle checkpoint near Rosslea, Northern Ireland. Two British soldiers are killed and one badly wounded.
1995 U.S. President Bill Clinton became the first President to visit Northern Ireland.
1996 Peace talks begin in Northern Ireland without the participation of Sinn Féin.
1997 Protestant paramilitary leader Billy Wright is assassinated in Northern Ireland.
1998 The Good Friday Agreement is accepted in a referendum in Northern Ireland with 75% voting yes.
2005 The Provisional Irish Republican Army calls an end to its thirty year long armed campaign in Northern Ireland.