New Year's Day
Martin Luther King Day
Lincoln's Birthday
President's Day
Truman Day
Memorial Day
Juneteenth
Independence Day
Labor Day
Columbus Day
Veterans Day
Veterans Day (obs.)
Thanksgiving
Christmas
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1865
1866
1867 › 
# Date Public holiday
1Monday, 1 January 1866 New Year's Day
2Monday, 15 January 1866 Martin Luther King Day
3Monday, 12 February 1866 Lincoln's Birthday
4Monday, 19 February 1866 Washington's Birthday
5Tuesday, 8 May 1866 Truman Day
6Monday, 28 May 1866 Memorial Day
7Tuesday, 19 June 1866 Juneteenth National Independence Day
8Wednesday, 4 July 1866 Independence Day
9Monday, 3 September 1866 Labor Day
10Monday, 8 October 1866 Columbus Day
11Sunday, 11 November 1866 Veterans Day
Monday, 12 November 1866 Veterans Day (observance)
12Thursday, 22 November 1866 Thanksgiving
13Tuesday, 25 December 1866 Christmas