Public holidays
1799, USA, Massachusetts
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1799 | New Year's Day |
| 2 | Monday, 21 January 1799 | Martin Luther King Day |
| 3 | Monday, 18 February 1799 | Washington's Birthday |
| 4 | Monday, 15 April 1799 | Patriots' Day |
| 5 | Monday, 27 May 1799 | Memorial Day |
| 6 | Wednesday, 19 June 1799 | Juneteenth National Independence Day |
| 7 | Thursday, 4 July 1799 | Independence Day |
| 8 | Monday, 2 September 1799 | Labor Day |
| 9 | Monday, 14 October 1799 | Columbus Day |
| 10 | Monday, 11 November 1799 | Veterans Day |
| 11 | Thursday, 28 November 1799 | Thanksgiving |
| 12 | Wednesday, 25 December 1799 | Christmas |