Public holidays
1840, USA, Alabama
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1840 | New Year's Day |
| 2 | Monday, 20 January 1840 | Martin Luther King Day |
| 3 | Monday, 17 February 1840 | Washington's Birthday |
| 4 | Tuesday, 3 March 1840 | Mardi gras day |
| 5 | Monday, 27 April 1840 | Confederate Memorial Day |
| 6 | Monday, 25 May 1840 | Memorial Day |
| 7 | Monday, 1 June 1840 | Jefferson Davis Day |
| 8 | Friday, 19 June 1840 | Juneteenth National Independence Day |
| Friday, 3 July 1840 | Independence Day (observance) | |
| 9 | Saturday, 4 July 1840 | Independence Day |
| 10 | Monday, 7 September 1840 | Labor Day |
| 11 | Monday, 12 October 1840 | Columbus Day |
| 12 | Wednesday, 11 November 1840 | Veterans Day |
| 13 | Thursday, 26 November 1840 | Thanksgiving |
| 14 | Friday, 25 December 1840 | Christmas |
| 15 | Saturday, 26 December 1840 | December 26 |
| 16 | Thursday, 31 December 1840 | New Year's Eve |