June 22, 1921First Ulster parliament, led by Sir James Craig, is formally opened by King George V, who appeals for peace
June 7, 1921George V opens the first Northern Ireland Parliament. James Craig becomes Northern Irelands first Prime Minister
May 25, 1921The Dublin brigade of the IRA attacks and sets fire to the Customs House; 120 of its men are captured and 11 are killed
March 19, 1921Tom Barry and the West Cork Flying Column routs a superior force from the Essex Regiment at Crossbarry
March 7, 1921Limerick Mayor George Clancy is shot and killed in his home by disguised members of the Black and Tans