Bloody Sunday (1921) all had been killed or fatally wounded in Belfast. At the time the day was referred to as "Belfast's Bloody Sunday". However the title of "Bloody Sunday", is now more commonly given in Ireland to events in Dublin in November 1920 or Derry in January 1972. A strict curfew was enforced in Belfast after the violence, to try to ensure the Orange Order's 12 July marches passed off peacefully. Directly after the violence, on 11 July, the Commandant of the IRA's 2nd Northern Division, Eoin O'Duffy, was sent to Belfast by the organization's leadership in Dublin to liaise with the
Sunday Bloody Sunday July 1985. As U2 reached new levels of fame in 1987 with "The Joshua Tree", "Sunday Bloody Sunday" continued to be a focal point of concerts. Some performances featured slower, more contemplative versions of the song; other concerts saw the wilder, more violent version. This tour marked the first time "Sunday Bloody Sunday" was played in Northern Ireland since 1982, and it has not been performed there since. The 1988 rockumentary "Rattle and Hum" includes a particularly renowned version of the song, recorded on 8 November 1987 at McNichols Sports Arena in Denver, Colorado. On this version Bono's mid-song rant