Public holidays
1540, USA, Iowa
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, January 1, 1540 | New Year's Day |
| 2 | Monday, January 15, 1540 | Martin Luther King Day |
| 3 | Monday, February 12, 1540 | Lincoln's Birthday |
| 4 | Monday, May 27, 1540 | Memorial Day |
| 5 | Wednesday, June 19, 1540 | Juneteenth National Independence Day |
| 6 | Thursday, July 4, 1540 | Independence Day |
| 7 | Monday, September 2, 1540 | Labor Day |
| 8 | Monday, November 11, 1540 | Veterans Day |
| 9 | Thursday, November 28, 1540 | Thanksgiving |
| 10 | Friday, November 29, 1540 | Black Friday |
| 11 | Wednesday, December 25, 1540 | Christmas |