Irish War of Independence Irish nationalists, who were certain the men had been tortured then murdered. This day became known as Bloody Sunday. On 28 November 1920, only a week after Bloody Sunday in Dublin, the west Cork unit of the IRA, under Tom Barry, ambushed a patrol of Auxiliaries at Kilmichael in County Cork, killing all but one of the 18-man patrol. These actions marked a significant escalation of the conflict. In response, Counties Cork, Kerry, Limerick, and Tipperary – all in the province of Munster – were put under martial law on 10 December under the Restoration of Order in Ireland Act;
Irish migration to Great Britain and domestic labour. The extent of the Irish contribution to Britain's construction industry in the 20th century may be gauged from Sir William MacAlpine's 1998 assertion that the contribution of the Irish to the success of his industry had been 'immeasurable'. Ireland's population fell from more than 8 million to just 6.5 million between 1841 and 1851. A century later it had dropped to 4.3 million. By the late 19th century, emigration was heaviest from Ireland's most rural southern and western counties. Cork, Kerry, Galway, Mayo, Sligo, Tipperary and Limerick alone provided nearly half of Ireland's emigrants. Some of this