Public holidays
1520, USA, Montana
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, January 1, 1520 | New Year's Day |
| 2 | Thursday, February 12, 1520 | Lincoln's Birthday |
| 3 | Sunday, February 22, 1520 | Washington's Birthday |
| 4 | Sunday, May 30, 1520 | Memorial Day |
| 5 | Sunday, July 4, 1520 | Independence Day |
| Monday, July 5, 1520 | Independence Day (observance) | |
| 6 | Monday, September 6, 1520 | Labor Day |
| 7 | Tuesday, November 2, 1520 | Election Day |
| Friday, December 24, 1520 | Christmas (observance)/Christmas Eve | |
| 8 | Saturday, December 25, 1520 | Christmas |
| Friday, December 31, 1520 | New Year's Day (observance) |