Public holidays
1815, USA, Colorado
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1815 | New Year's Day |
| Monday, 2 January 1815 | New Year's Day (observance) | |
| 2 | Wednesday, 22 February 1815 | Washington's Birthday |
| 3 | Friday, 31 March 1815 | César Chávez Day |
| 4 | Tuesday, 30 May 1815 | Memorial Day |
| 5 | Tuesday, 4 July 1815 | Independence Day |
| 6 | Monday, 4 September 1815 | Labor Day |
| 7 | Monday, 25 December 1815 | Christmas |