Public holidays
1640, USA, Alabama
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, January 1, 1640 | New Year's Day |
| Monday, January 2, 1640 | New Year's Day (observance) | |
| 2 | Tuesday, February 21, 1640 | Mardi gras day |
| 3 | Wednesday, February 22, 1640 | Washington's Birthday |
| 4 | Monday, April 23, 1640 | Confederate Memorial Day |
| 5 | Wednesday, May 30, 1640 | Memorial Day |
| 6 | Monday, June 4, 1640 | Jefferson Davis Day |
| 7 | Wednesday, July 4, 1640 | Independence Day |
| 8 | Monday, September 3, 1640 | Labor Day |
| 9 | Tuesday, December 25, 1640 | Christmas |
| 10 | Wednesday, December 26, 1640 | December 26 |
| 11 | Monday, December 31, 1640 | New Year's Eve |