Public holidays
1820, USA, Alabama
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1820 | New Year's Day |
| 2 | Monday, 17 January 1820 | Martin Luther King Day |
| 3 | Tuesday, 15 February 1820 | Mardi gras day/Susan B. Anthony Day |
| 4 | Monday, 21 February 1820 | Washington's Birthday |
| 5 | Monday, 24 April 1820 | Confederate Memorial Day |
| 6 | Monday, 29 May 1820 | Memorial Day |
| 7 | Monday, 5 June 1820 | Jefferson Davis Day |
| 8 | Monday, 19 June 1820 | Juneteenth National Independence Day |
| 9 | Tuesday, 4 July 1820 | Independence Day |
| 10 | Monday, 4 September 1820 | Labor Day |
| 11 | Monday, 9 October 1820 | Columbus Day |
| Friday, 10 November 1820 | Veterans Day (observance) | |
| 12 | Saturday, 11 November 1820 | Veterans Day |
| 13 | Thursday, 23 November 1820 | Thanksgiving |
| 14 | Monday, 25 December 1820 | Christmas |
| 15 | Tuesday, 26 December 1820 | December 26 |
| 16 | Sunday, 31 December 1820 | New Year's Eve |