Public holidays
1456, USA, Oklahoma
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, January 1, 1456 | New Year's Day |
| 2 | Monday, January 21, 1456 | Martin Luther King Day |
| 3 | Monday, February 18, 1456 | Washington's Birthday |
| 4 | Monday, May 26, 1456 | Memorial Day |
| 5 | Thursday, June 19, 1456 | Juneteenth National Independence Day |
| 6 | Friday, July 4, 1456 | Independence Day |
| 7 | Monday, September 1, 1456 | Labor Day |
| 8 | Tuesday, November 11, 1456 | Veterans Day |
| 9 | Thursday, November 27, 1456 | Thanksgiving |
| 10 | Friday, November 28, 1456 | Black Friday |
| 11 | Wednesday, December 24, 1456 | Christmas Eve |
| 12 | Thursday, December 25, 1456 | Christmas |