Public holidays
1678, USA, Colorado
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, January 1, 1678 | New Year's Day |
| 2 | Tuesday, February 22, 1678 | Washington's Birthday/Mardi gras day |
| 3 | Thursday, March 31, 1678 | César Chávez Day |
| 4 | Monday, May 30, 1678 | Memorial Day |
| 5 | Monday, July 4, 1678 | Independence Day |
| 6 | Monday, September 5, 1678 | Labor Day |
| 7 | Sunday, December 25, 1678 | Christmas |
| Monday, December 26, 1678 | Christmas (observance) |