Public holidays
1800, USA, Wisconsin
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, January 1, 1800 | New Year's Day |
| Friday, February 14, 1800 | Susan B. Anthony Day (observance) | |
| 2 | Saturday, February 15, 1800 | Susan B. Anthony Day |
| 3 | Friday, May 30, 1800 | Memorial Day |
| 4 | Friday, July 4, 1800 | Independence Day |
| 5 | Monday, September 1, 1800 | Labor Day |
| 6 | Tuesday, November 4, 1800 | Election Day |
| 7 | Wednesday, December 24, 1800 | Christmas Eve |
| 8 | Thursday, December 25, 1800 | Christmas |
| 9 | Wednesday, December 31, 1800 | New Year's Eve |