| Date | | | |
| 22-Aug-1921 | | Government Peace offer rejected by Dail Eireann after sitting in secret session for several days. | |
| 11-Oct-1921 | | Further Conference between Government representatives and Sinn Fein delegates in London. | |
| 6-Dec-1921 | | A Treaty between Great Britain and Ireland signed in London by representatives of Great Britain and Delegates from Ireland. | |
| 7-Jan-1922 | | Treaty ratified by Dail Eireann by majority of seven after protracted discussion. | |
| 10-Jan-1922 | | Arthur Griffith elected President of Dail Eireann. | |
| 14-Jan-1922 | | Meeting of Parliament of Southern Ireland when Treaty was ratified by it and Provisional Government of Irish Free State appointed. | |
| 16-Jan-1922 | | Provisional Government of the Irish Free State Constituted. | |
| 31-Jan-1922 | | Beggar's Bush Barracks occupied by National Army. | |
| 27-Feb-1922 | | National troops took over Guard at Bank of Ireland. | |
| 1-Apr-1922 | | Provisional Government took over all services controlled by British Authorities. | |