Public holidays
1850, USA, Iowa
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1850 | New Year's Day |
| 2 | Tuesday, 12 February 1850 | Mardi gras day/Lincoln's Birthday |
| 3 | Thursday, 30 May 1850 | Memorial Day |
| 4 | Thursday, 4 July 1850 | Independence Day |
| 5 | Monday, 2 September 1850 | Labor Day |
| 6 | Wednesday, 25 December 1850 | Christmas |