| Date | | | |
| 20-Jan-1919 | | Rt. Hon. Ian Macpherson, K.C., M.P., sworn in as Chief Secretary for Ireland. | |
| 25-Mar-1919 | | The turnstiles of the Metal Bridge (opened in 1816) across the river Liffey removed, and the bridge declared free to the Public. | |
| 19-Jul-1919 | | Public celebration of the signing of peace with Germany observed as a general holiday. | |
| 20-Dec-1919 | | A determined attempt to assassinate H.E. the Lord Lieutenant (F. M. Viscount French) was made by a party of men near Ashtown Railway Station. The attackers were driven off by the military escort, and one of their number killed. | |
| 15-Jan-1920 | | First Municipal Elections in the City under the Local Government (Ireland) Act 1919, (Proportional Representation). By this Act the City was divided into ten Electoral Areas. | |
| 23-Feb-1920 | | Owing to the disturbed state of the City persons within the Dublin Metropolitan Police District required to remain within doors. Between the hours 12 o'clock midnight-and 5 o'clock a.m. ; on the 30th June the hours were altered to 12 o'clock midnight and 3 o'clock a.m., and on the 23rd November to 10 o'clock p.m. and 5 o'clock a.m. | |
| 29-Mar-1920 | | Gen. Sir Nevil Macready appointed Commander-in-Chief of the Forces. | |
| 1-Apr-1920 | | Sir Hamar Greenwood, bt., appointed Chief Secretary for Ireland. | |
| Dec-1920 | | During the year numerous deaths of civilians and members of the Crown forces were caused by shootings in the city and suburbs. | |
| 22-Dec-1920 | | The Military Authorities took possession of the City Hall and other Municipal Offices. | |