Public holidays
1842, USA, Illinois
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, January 1, 1842 | New Year's Day |
| 2 | Monday, January 17, 1842 | Martin Luther King Day |
| Friday, February 11, 1842 | Lincoln's Birthday (observance) | |
| 3 | Saturday, February 12, 1842 | Lincoln's Birthday |
| 4 | Monday, February 21, 1842 | Washington's Birthday |
| 5 | Monday, May 30, 1842 | Memorial Day |
| 6 | Sunday, June 19, 1842 | Juneteenth National Independence Day |
| Monday, June 20, 1842 | Juneteenth (observance) | |
| 7 | Monday, July 4, 1842 | Independence Day |
| 8 | Monday, September 5, 1842 | Labor Day |
| 9 | Monday, October 10, 1842 | Columbus Day |
| 10 | Tuesday, November 8, 1842 | Election Day |
| 11 | Friday, November 11, 1842 | Veterans Day |
| 12 | Thursday, November 24, 1842 | Thanksgiving |
| 13 | Sunday, December 25, 1842 | Christmas |
| Monday, December 26, 1842 | Christmas (observance) |