Public holidays
1428, USA, Illinois
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1428 | New Year's Day |
| 2 | Monday, 21 January 1428 | Martin Luther King Day |
| 3 | Tuesday, 12 February 1428 | Lincoln's Birthday |
| 4 | Monday, 18 February 1428 | Washington's Birthday |
| 5 | Monday, 26 May 1428 | Memorial Day |
| 6 | Thursday, 19 June 1428 | Juneteenth National Independence Day |
| 7 | Friday, 4 July 1428 | Independence Day |
| 8 | Monday, 1 September 1428 | Labor Day |
| 9 | Monday, 13 October 1428 | Columbus Day |
| 10 | Tuesday, 4 November 1428 | Election Day |
| 11 | Tuesday, 11 November 1428 | Veterans Day |
| 12 | Thursday, 27 November 1428 | Thanksgiving |
| 13 | Thursday, 25 December 1428 | Christmas |