Public holidays
1509, USA, Michigan
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, January 1, 1509 | New Year's Day |
| 2 | Monday, February 22, 1509 | Washington's Birthday |
| 3 | Sunday, May 30, 1509 | Memorial Day |
| 4 | Sunday, July 4, 1509 | Independence Day |
| Monday, July 5, 1509 | Independence Day (observance) | |
| 5 | Monday, September 6, 1509 | Labor Day |
| 6 | Tuesday, November 2, 1509 | Election Day |
| Friday, December 24, 1509 | Christmas (observance)/Christmas Eve | |
| 7 | Saturday, December 25, 1509 | Christmas |
| Friday, December 31, 1509 | New Year's Day (observance) |