Public holidays
1440, USA, Iowa
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, January 1, 1440 | New Year's Day |
| 2 | Wednesday, February 12, 1440 | Lincoln's Birthday |
| 3 | Saturday, May 30, 1440 | Memorial Day |
| Friday, July 3, 1440 | Independence Day (observance) | |
| 4 | Saturday, July 4, 1440 | Independence Day |
| 5 | Monday, September 7, 1440 | Labor Day |
| 6 | Friday, December 25, 1440 | Christmas |