New Year's Day
Martin Luther King Day
President's Day
Memorial Day
Juneteenth
Independence Day
Labor Day
Election Day
Veterans Day (obs.)
Veterans Day
Thanksgiving
Black Friday
Christmas Eve
Christmas
New Year's Eve
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1779
1780
1781 › 
# Date Public holiday
1Saturday, 1 January 1780 New Year's Day
2Monday, 17 January 1780 Martin Luther King Day
3Monday, 21 February 1780 Washington's Birthday
4Monday, 29 May 1780 Memorial Day
5Monday, 19 June 1780 Juneteenth National Independence Day
6Tuesday, 4 July 1780 Independence Day
7Monday, 4 September 1780 Labor Day
8Tuesday, 7 November 1780 Election Day
Friday, 10 November 1780 Veterans Day (observance)
9Saturday, 11 November 1780 Veterans Day
10Thursday, 23 November 1780 Thanksgiving
11Friday, 24 November 1780 Black Friday
12Sunday, 24 December 1780 Christmas Eve
13Monday, 25 December 1780 Christmas
14Sunday, 31 December 1780 New Year's Eve