January 2 - The first edition of the newspaper Poblacht na hÉireann is published. It is established by republican opponents to the Treaty who declare their loyalty to the Irish Republic.
February 10 - The Treaty Bill is introduced in the House of Commons. It provides for the dissolution of the Southern parliament and the election of a parliament to which the Provisional Government will be responsible.
February 12 - At the launch of the Republican Party, Eamon de Valera says that the Treaty denies the sovereignty of the Irish people.
April 26 - The Irish Hierarchy implores the people of Ireland to accept the Treaty and to make the best of the freedom which it undoubtedly brings.
May 4 - A conference at the Mansion House between both sections of the IRA secures a three-day truce.
May 16 - The final group of British troops leave the Curragh Army Camp.
June 12 - In Windsor Castle, King George V receives the colours of the six Irish regiments that are to be disbanded - the Royal Irish Regiment, the Connacht Rangers, the South Irish Horse, the Prince of Wales Leinster Regiment, the Royal Munster Fusiliers and the Royal Dublin Fusiliers.
June 30 - An official bulletin announces that anti-treaty rebels have stormed the Four Courts and take 33 prisoners.
July 5 - Cathal Brugha refuses to surrender and is badly wounded as he tries to escape from the Hamman Hotel in Dublin.
July 16 - 300 Irregulars are captured in Dundalk, County Louth by the National Army. 70 ore surrender in County Sligo and the last stronghold of the Irregulars in County Donegal is captured.
July 27 - 105 Irregular prisoners escape from Dundalk Jail..
August 22 - Michael Collins is killed in an ambush at Béal na Bláth, County Cork. In his 32 years of life he fought during the Easter Rising in 1916, he was a member of the delegation that negotiated the Treaty in 1921 and at the time of his death he was Commander-in-Chief of the government forces.
August 28 - All businessess close for the day as a mark of respect due to the funeral of Michael Collins which takes place today. Richard Mulcahy delivers the graveside oration.
