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
Bloody Sunday (1972) have seen for myself the very difficult and dangerous circumstances in which we ask our soldiers to serve. But the conclusions of this report are absolutely clear. There is no doubt, there is nothing equivocal, there are no ambiguities. What happened on Bloody Sunday was both unjustified and unjustifiable. It was wrong. Following the publication of the report, a murder investigation was begun by the Police Service of Northern Ireland's Legacy Investigation Branch. On 10 November 2015, a 66-year-old former member of the Parachute Regiment was arrested for questioning over the deaths of William Nash, Michael McDaid and John Young.