Public holidays
1504, USA, Illinois
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1504 | New Year's Day |
| 2 | Friday, 12 February 1504 | Lincoln's Birthday |
| 3 | Monday, 22 February 1504 | Washington's Birthday |
| 4 | Monday, 30 May 1504 | Memorial Day |
| 5 | Monday, 4 July 1504 | Independence Day |
| 6 | Monday, 5 September 1504 | Labor Day |
| 7 | Tuesday, 8 November 1504 | Election Day |
| 8 | Sunday, 25 December 1504 | Christmas |
| Monday, 26 December 1504 | Christmas (observance) |