Public holidays
1921, USA, Oklahoma
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, January 1, 1921 | New Year's Day |
| 2 | Tuesday, February 22, 1921 | Washington's Birthday |
| 3 | Monday, May 30, 1921 | Memorial Day |
| 4 | Monday, July 4, 1921 | Independence Day |
| 5 | Monday, September 5, 1921 | Labor Day |
| 6 | Thursday, November 24, 1921 | Thanksgiving |
| 7 | Friday, November 25, 1921 | Black Friday |
| 8 | Saturday, December 24, 1921 | Christmas Eve |
| 9 | Sunday, December 25, 1921 | Christmas |
| Monday, December 26, 1921 | Christmas (observance) |