Bloody Sunday was a day of violence in Dublin on 21 November 1920, during the Irish War of Independence. More than 30 people were killed or fatally wounded.
A photo purportedly of the Cairo Gang, but possibly the Igoe Gang, RIC officers who were brought to Dublin to identify and target IRA men who had moved to the capital from their respective counties.
British soldiers and relatives of the victims outside Jervis Street Hospital during the military inquiry into the Croke Park massacre
Bloody Sunday remembrance plaque at Croke Park
Michael Collins in 1919
Irish War of Independence
The Irish War of Independence or Anglo-Irish 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.
RIC and British Army personnel near Limerick, c.1920
West Connemara IRA flying column
Police wanted poster for Dan Breen, one of those involved in the Soloheadbeg Ambush in 1919.
Wall plaque in Great Denmark Street, Dublin where the Dublin IRA Active Service Unit was founded.