Today 90 years ago exactly was the last day of the Irish War of Independence. Article on it here.
Some IRA units got their last attacks in before the imminent truce, as did loyalists in Belfast.
The rather sad irony is that a deal - offering Dominion status -ie roughly the same as the Treaty, had been on the table since December 1920. So the 1,000 dead between January-July 1921 essentially died in vain.