Year 1931 U.S. Calendar
January 1931
1st: New Year's Day
4th: World Braille Day
6th: Epiphany
February 1931
1st: World Interfaith Harmony Week; Black History Month
2nd: Groundhog Day; World Wetlands Day
4th: International Day of Human Fraternity; Rosa Parks Day in California and Missouri
March 1931
1st: World Seagrass Day; Zero Discrimination Day
2nd: Texas Independence Day (Texas)
3rd: Town Meeting Day (Vermont); World Wildlife Day; Purim
April 1931
1st: Passover (Pesach)
2nd: Pascua Florida Day (Florida); World Autism Awareness Day
3rd: Good Friday
May 1931
1st: Vesak, the Day of the Full Moon
2nd: World Tuna Day
3rd: World Press Freedom Day
June 1931
1st: Jefferson Davis' Birthday (Alabama); Global Day of Parents
3rd: Jefferson Davis' Birthday (Florida); World Bicycle Day
4th: International Day of Innocent Children Victims of Aggression
July 1931
3rd: Governor's Holiday (Colorado); International Day of Cooperatives
4th: Independence Day, July 4th
7th: Kiswahili Language Day
August 1931
1st: World Breastfeeding Week
2nd: American Family Day (Arizona)
9th: International Day of the World's Indigenous People
September 1931
5th: International Day of Charity
7th: Labor Day; International Day of Police Cooperation; International Day of Clean Air for Blue Skies
8th: International Literacy Day
October 1931
1st: International Day of Older Persons
2nd: World Habitat Day; International Day of Non-Violence
4th: World Space Week
November 1931
2nd: International Day to End Impunity for Crimes against Journalists
3rd: Election Day; International Day for Biosphere Reserves
5th: Return Day (Delaware); International day against violence and bullying at school including cyberbullying; World Day of Romani Language; World Tsunami Awareness Day
December 1931
1st: World AIDS Day; Rosa Parks Day in Ohio and Oregon
2nd: World Futures Day; International Day for the Abolition of Slavery
3rd: International Day of Persons with Disabilities