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 concert on the U2 360° Tour, paying tribute to the 2009 Iranian election protests on each occasion by projecting scenes from the protests and Persian writing in green on the video screen. "Sunday Bloody Sunday" has been played as the opening song at shows on the Joshua Tree Tour 2017. Although a promotional music video had not been produced for the original release, the band used footage from a 5 June 1983 live performance filmed for the concert film "" to promote the song. Directed by Gavin Taylor, the video displays Bono's use of a white flag during performances of