Public holidays
1578, USA, Montana
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1578 | New Year's Day |
| Monday, 2 January 1578 | New Year's Day (observance) | |
| 2 | Monday, 16 January 1578 | Martin Luther King Day |
| 3 | Sunday, 12 February 1578 | Lincoln's Birthday |
| Monday, 13 February 1578 | Lincoln's Birthday (observance) | |
| 4 | Monday, 20 February 1578 | Washington's Birthday |
| 5 | Monday, 29 May 1578 | Memorial Day |
| 6 | Tuesday, 4 July 1578 | Independence Day |
| 7 | Monday, 4 September 1578 | Labor Day |
| 8 | Monday, 9 October 1578 | Columbus Day |
| 9 | Tuesday, 7 November 1578 | Election Day |
| Friday, 10 November 1578 | Veterans Day (observance) | |
| 10 | Saturday, 11 November 1578 | Veterans Day |
| 11 | Thursday, 23 November 1578 | Thanksgiving |
| 12 | Monday, 25 December 1578 | Christmas |