New Year's Day
Martin Luther King Day
Lincoln's Birthday
President's Day
Truman Day
Memorial Day
Juneteenth
Independence Day (obs.)
Independence Day
Labor Day
Columbus Day
Veterans Day
Thanksgiving
Christmas
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1839
1840
1841 › 
# Date Public holiday
1Wednesday, January 1, 1840 New Year's Day
2Monday, January 20, 1840 Martin Luther King Day
3Wednesday, February 12, 1840 Lincoln's Birthday
4Monday, February 17, 1840 Washington's Birthday
5Friday, May 8, 1840 Truman Day
6Monday, May 25, 1840 Memorial Day
7Friday, June 19, 1840 Juneteenth National Independence Day
Friday, July 3, 1840 Independence Day (observance)
8Saturday, July 4, 1840 Independence Day
9Monday, September 7, 1840 Labor Day
10Monday, October 12, 1840 Columbus Day
11Wednesday, November 11, 1840 Veterans Day
12Thursday, November 26, 1840 Thanksgiving
13Friday, December 25, 1840 Christmas