| Date | | | |
| 15-Dec-1927 | | Mr. James MacNeill, High Commissioner in London appointed Governor-General of the Irish Free State on retirement of His Excellency Timothy Michael Healy. | |
| 1-Feb-1928 | | James MacNeill sworn in as Governor-General of the Irish Free State before the Chief Justice. | |
| 11-Aug-1928 | | The Second Aonach Tailteann opened at Croke Park. The games and contests continued until the 27th. | |
| 30-Aug-1928 | | Mr. Frank Billings Kellogg, Secretary of State, United States America, arrived in Dublin and was accorded a public welcome, and was presented with the Freedom of the City. | |
| 10-Sep-1928 | | Irish Free State Currency Notes issued. | |
| 1-Dec-1928 | | Irish Free State Coinage issued. | |
| 6-Feb-1929 | | The Statue of King William III. (previously damaged by a land mine) removed from College Green. | |
| 23-Jun-1929 | | High Mass, to mark the centenary year of Catholic Emancipation, celebrated in the Phoenix Park, Dublin, in the presence of between 300,000 and 400,000 worshippers. | |
| 6-Jul-1929 | | Smith O'Brien Statue removed from D'Olier Street and erected in Lr. O'Connell Street at the junction of Lr. and Mid. Abbey Street. | |
| 11-Jul-1929 | | General Post Office in Lr. O'Connell Street reopened to the Public, the building having been destroyed in 1916. | |