Public holidays
1800, USA, Texas
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, January 1, 1800 | New Year's Day |
| 2 | Monday, January 20, 1800 | Martin Luther King Day |
| 3 | Monday, February 17, 1800 | Washington's Birthday |
| 4 | Monday, March 31, 1800 | Seward's Day/César Chávez Day |
| 5 | Friday, April 11, 1800 | Good Friday |
| 6 | Monday, April 28, 1800 | Confederate Memorial Day |
| 7 | Monday, May 26, 1800 | Memorial Day |
| 8 | Thursday, June 19, 1800 | Juneteenth National Independence Day |
| 9 | Friday, July 4, 1800 | Independence Day |
| 10 | Wednesday, August 27, 1800 | Lyndon Baines Johnson Day |
| 11 | Monday, September 1, 1800 | Labor Day |
| 12 | Tuesday, November 11, 1800 | Veterans Day |
| 13 | Thursday, November 27, 1800 | Thanksgiving |
| 14 | Friday, November 28, 1800 | Black Friday |
| 15 | Wednesday, December 24, 1800 | Christmas Eve |
| 16 | Thursday, December 25, 1800 | Christmas |
| 17 | Friday, December 26, 1800 | December 26 |