Bloody Sunday, Dublin, Ireland, 1920

found: Work cat.: 2004040826: Gleeson, J.J. Bloody Sunday : how Michael Collins' agents assassinated Britain's Secret Service in Dublin on November 21, 1920, 2003.

found: Wikipedia, July 6, 2006(Bloody Sunday (1920): Bloody Sunday of 1920 is a term used to describe a day of violence in Dublin on November 21st 1920, during the Irish War of Independence (1919-21), which led to the deaths of 31 people. The day started with the assassination of 14 British agents or their informants by the Irish Republican Army. British forces retaliated with the massacre of players and spectators attending a Gaelic football match in Croke Park in north Dublin.)