Public holidays
1831, USA, Missouri
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1831 | New Year's Day |
| 2 | Monday, 17 January 1831 | Martin Luther King Day |
| Friday, 11 February 1831 | Lincoln's Birthday (observance) | |
| 3 | Saturday, 12 February 1831 | Lincoln's Birthday |
| 4 | Monday, 21 February 1831 | Washington's Birthday |
| 5 | Sunday, 8 May 1831 | Truman Day |
| Monday, 9 May 1831 | Truman Day (observance) | |
| 6 | Monday, 30 May 1831 | Memorial Day |
| 7 | Sunday, 19 June 1831 | Juneteenth National Independence Day |
| Monday, 20 June 1831 | Juneteenth (observance) | |
| 8 | Monday, 4 July 1831 | Independence Day |
| 9 | Monday, 5 September 1831 | Labor Day |
| 10 | Monday, 10 October 1831 | Columbus Day |
| 11 | Friday, 11 November 1831 | Veterans Day |
| 12 | Thursday, 24 November 1831 | Thanksgiving |
| 13 | Sunday, 25 December 1831 | Christmas |
| Monday, 26 December 1831 | Christmas (observance) |