Public holidays
1131, USA, Colorado
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, January 1, 1131 | New Year's Day |
| 2 | Monday, January 19, 1131 | Martin Luther King Day |
| Monday, February 16, 1131 | Washington's Birthday/Susan B. Anthony Day (observance) | |
| 3 | Tuesday, March 31, 1131 | César Chávez Day |
| 4 | Monday, May 25, 1131 | Memorial Day |
| 5 | Friday, June 19, 1131 | Juneteenth National Independence Day |
| Friday, July 3, 1131 | Independence Day (observance) | |
| 6 | Saturday, July 4, 1131 | Independence Day |
| 7 | Monday, September 7, 1131 | Labor Day |
| 8 | Monday, October 12, 1131 | Columbus Day |
| 9 | Wednesday, November 11, 1131 | Veterans Day |
| 10 | Thursday, November 26, 1131 | Thanksgiving |
| 11 | Friday, December 25, 1131 | Christmas |