Public holidays
1643, USA, Michigan
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, January 1, 1643 | New Year's Day |
| 2 | Sunday, February 22, 1643 | Washington's Birthday |
| 3 | Saturday, May 30, 1643 | Memorial Day |
| Friday, July 3, 1643 | Independence Day (observance) | |
| 4 | Saturday, July 4, 1643 | Independence Day |
| 5 | Monday, September 7, 1643 | Labor Day |
| 6 | Tuesday, November 3, 1643 | Election Day |
| 7 | Thursday, December 24, 1643 | Christmas Eve |
| 8 | Friday, December 25, 1643 | Christmas |
| 9 | Thursday, December 31, 1643 | New Year's Eve |