Public holidays
1866, USA, Ohio
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, January 1, 1866 | New Year's Day |
| 2 | Sunday, February 4, 1866 | Rosa Parks Day |
| Monday, February 5, 1866 | Rosa Parks Day (observance) | |
| 3 | Thursday, February 22, 1866 | Washington's Birthday |
| 4 | Wednesday, May 30, 1866 | Memorial Day |
| 5 | Wednesday, July 4, 1866 | Independence Day |
| 6 | Monday, September 3, 1866 | Labor Day |
| 7 | Thursday, November 29, 1866 | Thanksgiving |
| 8 | Tuesday, December 25, 1866 | Christmas |