Public holidays
1266, USA, Federal holidays
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1266 | New Year's Day |
| 2 | Monday, 18 January 1266 | Martin Luther King Day |
| 3 | Monday, 15 February 1266 | Washington's Birthday/Susan B. Anthony Day |
| 4 | Monday, 31 May 1266 | Memorial Day |
| 5 | Sunday, 4 July 1266 | Independence Day |
| Monday, 5 July 1266 | Independence Day (observance) | |
| 6 | Monday, 6 September 1266 | Labor Day |
| 7 | Monday, 11 October 1266 | Columbus Day |
| 8 | Thursday, 11 November 1266 | Veterans Day |
| 9 | Thursday, 25 November 1266 | Thanksgiving |
| Friday, 24 December 1266 | Christmas (observance)/Christmas Eve | |
| 10 | Saturday, 25 December 1266 | Christmas |
| Friday, 31 December 1266 | New Year's Day (observance) |