Public holidays
1661, USA, Missouri
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1661 | New Year's Day |
| Friday, 11 February 1661 | Lincoln's Birthday (observance) | |
| 2 | Saturday, 12 February 1661 | Lincoln's Birthday |
| 3 | Tuesday, 22 February 1661 | Washington's Birthday |
| 4 | Sunday, 8 May 1661 | Truman Day |
| Monday, 9 May 1661 | Truman Day (observance) | |
| 5 | Monday, 30 May 1661 | Memorial Day |
| 6 | Monday, 4 July 1661 | Independence Day |
| 7 | Monday, 5 September 1661 | Labor Day |
| 8 | Sunday, 25 December 1661 | Christmas |
| Monday, 26 December 1661 | Christmas (observance) |