7th Jan Dublin A group of 200 anti-Treaty IRA men occupy the Four Courts in Dublin in defiance of the Provisional government, Collins, who wanted to avoid civil war at all costs, does not attack them until June 1922, when British pressure forced his hand
June Dublin Leads to the IrishCivilWar as fighting breaks out in Dublin between the anti-Treaty IRA and the FreeState troops
June Dublin The British forces Collins to take action against the Four Courts men, Collins borrows two 18 pounder artillery pieces from the British and bombards the Four Courts until its garrison surrenders