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