Public holidays
1580, USA, Alaska
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1580 | New Year's Day |
| 2 | Friday, 22 February 1580 | Washington's Birthday |
| 3 | Monday, 31 March 1580 | Seward's Day/César Chávez Day |
| 4 | Friday, 30 May 1580 | Memorial Day |
| 5 | Friday, 4 July 1580 | Independence Day |
| 6 | Monday, 1 September 1580 | Labor Day |
| Friday, 17 October 1580 | Alaska Day (observance) | |
| 7 | Saturday, 18 October 1580 | Alaska Day |
| 8 | Thursday, 25 December 1580 | Christmas |