Public holidays
1539, USA, Illinois
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1539 | New Year's Day |
| Monday, 2 January 1539 | New Year's Day (observance) | |
| 2 | Sunday, 12 February 1539 | Lincoln's Birthday |
| Monday, 13 February 1539 | Lincoln's Birthday (observance) | |
| 3 | Wednesday, 22 February 1539 | Washington's Birthday |
| 4 | Tuesday, 30 May 1539 | Memorial Day |
| 5 | Tuesday, 4 July 1539 | Independence Day |
| 6 | Monday, 4 September 1539 | Labor Day |
| 7 | Tuesday, 7 November 1539 | Election Day |
| 8 | Monday, 25 December 1539 | Christmas |