Public holidays
1866, USA, Texas
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1866 | New Year's Day |
| 2 | Friday, 19 January 1866 | Confederate Heroes Day |
| 3 | Thursday, 22 February 1866 | Washington's Birthday |
| Friday, 30 March 1866 | César Chávez Day (observance)/Good Friday | |
| 4 | Saturday, 31 March 1866 | César Chávez Day |
| 5 | Wednesday, 30 May 1866 | Memorial Day |
| 6 | Wednesday, 4 July 1866 | Independence Day |
| 7 | Monday, 27 August 1866 | Lyndon Baines Johnson Day |
| 8 | Monday, 3 September 1866 | Labor Day |
| 9 | Thursday, 29 November 1866 | Thanksgiving |
| 10 | Friday, 30 November 1866 | Black Friday |
| 11 | Monday, 24 December 1866 | Christmas Eve |
| 12 | Tuesday, 25 December 1866 | Christmas |
| 13 | Wednesday, 26 December 1866 | December 26 |