New Year's Day
Martin Luther King Day
President's Day
Mardi gras day
Confeder. Memorial Day
Memorial Day
Jefferson Davis Day
Juneteenth (obs.)
Juneteenth
Independence Day
Independence Day (obs.)
Labor Day
Columbus Day
Veterans Day
Thanksgiving
Christmas (obs.)
Christmas
December 26
New Year's Day (obs.)
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1665
1666
1667 › 
# Date Public holiday
1Friday, 1 January 1666 New Year's Day
2Monday, 18 January 1666 Martin Luther King Day
3Monday, 15 February 1666 Washington's Birthday/Susan B. Anthony Day
4Tuesday, 2 March 1666 Mardi gras day
5Monday, 26 April 1666 Confederate Memorial Day
6Monday, 31 May 1666 Memorial Day
7Monday, 7 June 1666 Jefferson Davis Day
Friday, 18 June 1666 Juneteenth (observance)
8Saturday, 19 June 1666 Juneteenth National Independence Day
9Sunday, 4 July 1666 Independence Day
Monday, 5 July 1666 Independence Day (observance)
10Monday, 6 September 1666 Labor Day
11Monday, 11 October 1666 Columbus Day
12Thursday, 11 November 1666 Veterans Day
13Thursday, 25 November 1666 Thanksgiving
Friday, 24 December 1666 Christmas (observance)/Christmas Eve
14Saturday, 25 December 1666 Christmas
15Sunday, 26 December 1666 December 26
Friday, 31 December 1666 New Year's Day (observance)