Bloody Sunday in Dublin

Date: November 21, 1920 • Location: Dublin City, Ireland

This milestone marked the outbreak and beginning of this historic period, which spanned 1919–1921.

Irish War of Independence: On Bloody Sunday in Dublin, the IRA assassinated a group of British intelligence agents, and British forces killed 14 civilians at a Gaelic football match at Croke Park.

The Irish War of Independence, also known as the Anglo-Irish War or the Tan War, was a guerrilla war fought in Ireland from 1919 to 1921 between the Irish Republican Army and British forces: the British Army, along with the quasi-military Royal Irish Constabulary (RIC) and its paramilitary forces the Auxiliaries and Ulster Special Constabulary (USC). It was part of the Irish revolutionary period.