Public holidays
1780, United Kingdom, Ireland
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 3 January 1780 | New Year's Day (substitute day) |
| 2 | Friday, 17 March 1780 | St. Patrick's Day |
| 3 | Monday, 27 March 1780 | Easter Monday |
| 4 | Monday, 1 May 1780 | Early May Bank Holiday |
| 5 | Monday, 5 June 1780 | June Bank Holiday |
| 6 | Monday, 7 August 1780 | Summer Bank Holiday |
| 7 | Monday, 30 October 1780 | October Bank Holiday |
| 8 | Monday, 25 December 1780 | Christmas Day |
| 9 | Tuesday, 26 December 1780 | St. Stephen's Day |