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