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 the song. The video highlights the intensity and emotion felt by many audience members during U2's concerts, while the rainy, torch-lit setting in Colorado's Red Rocks Amphitheatre further adds to the atmosphere. In 2004, "Rolling Stone" cited the performance as one "50 Moments that Changed the History of Rock and Roll" and noted that "the sight of Bono singing the anti-violence anthem 'Sunday Bloody Sunday' while waving a white flag through crimson mist (created by a combination of wet weather, hot lights and the illumination of those crags) became the defining image of U2's warrior-rock spirit and—shown in heavy rotation