New Year's Day
Martin Luther King Day
President's Day
Memorial Day
Independence Day
Labor Day
Columbus Day
Veterans Day (obs.)
Veterans Day
Thanksgiving
Christmas
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1779
1780
1781 › 
# Date Public holiday
1Saturday, January 1, 1780 New Year's Day
2Monday, January 17, 1780 Martin Luther King Day
3Monday, February 21, 1780 Washington's Birthday
4Monday, May 29, 1780 Memorial Day
5Tuesday, July 4, 1780 Independence Day
6Monday, September 4, 1780 Labor Day
7Monday, October 9, 1780 Columbus Day
Friday, November 10, 1780 Veterans Day (observance)
8Saturday, November 11, 1780 Veterans Day
9Thursday, November 23, 1780 Thanksgiving
10Monday, December 25, 1780 Christmas