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 (1939) Bloody Sunday (1939) Bloody Sunday (; ) was a sequence of events that took place in Bydgoszcz (), a Polish city with a sizable German minority, between 3 and 4 September 1939, immediately after the German invasion of Poland. The sequence started with an attack of German "Selbstschutz" snipers on retreating Polish troops and then was followed by a Polish reaction and then the final retaliatory execution of Polish hostages by the Wehrmacht and "Selbstschutz", after the fall of the city. All these events resulted in the deaths of both German and Polish civilians. The Polish Institute of National Remembrance