| |
| 1920, May 15 |
| |
| Arrival of British reinforcements (Black and Tans) and initiation of a policy of reprisal. There followed several months of ferocious conflict. | 1 |
| |
| May 23 |
| |
| Railway workers in Dublin launched a munitions strike, which spread soon to most of the country. It was extended to the transportation of armed troops as well. Workers resumed normal handling of government traffic as an alternative to government closure of the railways on Dec. 21. | 2 |
| |
| Dec. 23 |
| |
| PASSAGE OF THE GOVERNMENT OF IRELAND ACT by the British Parliament: Northern Ireland and Southern Ireland each to have its own parliament, and each to retain representatives in the British Parliament. A Council for Ireland, representing the two parts, was to attempt to effect common action in common affairs. | 3 |
| |
| |
