New Year's Day
Memorial Day
Independence Day
Labor Day
Christmas
  January
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  October
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  December
 ‹ 1779
1780
1781 › 
# Date Public holiday
1Saturday, January 1, 1780 New Year's Day
2Tuesday, May 30, 1780 Memorial Day
3Tuesday, July 4, 1780 Independence Day
4Monday, September 4, 1780 Labor Day
5Monday, December 25, 1780 Christmas