Public holidays
1622, USA, Iowa
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, January 1, 1622 | New Year's Day |
| Friday, February 11, 1622 | Lincoln's Birthday (observance) | |
| 2 | Saturday, February 12, 1622 | Lincoln's Birthday |
| 3 | Monday, May 30, 1622 | Memorial Day |
| 4 | Monday, July 4, 1622 | Independence Day |
| 5 | Monday, September 5, 1622 | Labor Day |
| 6 | Sunday, December 25, 1622 | Christmas |
| Monday, December 26, 1622 | Christmas (observance) |