New Year's Day
Martin Luther King Day
Susan B. Anthony Day (obs.)
Susan B. Anthony Day
President's Day
Memorial Day
Juneteenth
Independence Day (obs.)
Independence Day
Labor Day
Columbus Day
Veterans Day
Thanksgiving
Black Friday
Christmas Eve
Christmas
New Year's Eve
  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
Friday, February 14, 1840 Susan B. Anthony Day (observance)
3Saturday, February 15, 1840 Susan B. Anthony Day
4Monday, February 17, 1840 Washington's Birthday
5Monday, May 25, 1840 Memorial Day
6Friday, June 19, 1840 Juneteenth National Independence Day
Friday, July 3, 1840 Independence Day (observance)
7Saturday, July 4, 1840 Independence Day
8Monday, September 7, 1840 Labor Day
9Monday, October 12, 1840 Columbus Day
10Wednesday, November 11, 1840 Veterans Day
11Thursday, November 26, 1840 Thanksgiving
12Friday, November 27, 1840 Black Friday
13Thursday, December 24, 1840 Christmas Eve
14Friday, December 25, 1840 Christmas
15Thursday, December 31, 1840 New Year's Eve