Public holidays
1457, USA, Iowa
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, January 1, 1457 | New Year's Day |
| 2 | Monday, January 19, 1457 | Martin Luther King Day |
| 3 | Thursday, February 12, 1457 | Lincoln's Birthday |
| 4 | Monday, May 25, 1457 | Memorial Day |
| 5 | Friday, June 19, 1457 | Juneteenth National Independence Day |
| Friday, July 3, 1457 | Independence Day (observance) | |
| 6 | Saturday, July 4, 1457 | Independence Day |
| 7 | Monday, September 7, 1457 | Labor Day |
| 8 | Wednesday, November 11, 1457 | Veterans Day |
| 9 | Thursday, November 26, 1457 | Thanksgiving |
| 10 | Friday, November 27, 1457 | Black Friday |
| 11 | Friday, December 25, 1457 | Christmas |