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 played the song, Black Thought rapped lines from the band's own "False Media" and bits of Edwin Starr's "War". In 2008, Jay-Z sampled "Sunday Bloody Sunday" in a version of "Heart of the City" performed at the Glastonbury Festival. During a version of "Sunday Bloody Sunday" performed by the band at the 2009 MTV Europe Music Awards, Jay-Z improvised lyrics over the breakdown in the song before including a snippet of "Get Up, Stand Up." "Sunday Bloody Sunday" was commercially released throughout most of Europe in support of U2's album "War". Its cover art is the same as that of