Year 1966 U.S. Calendar
January 1966
1st: New Year's Day
3rd: New Year's Day Holiday
4th: World Braille Day
February 1966
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 1966
1st: Town Meeting Day (Vermont); World Seagrass Day; Zero Discrimination Day
2nd: Texas Independence Day (Texas)
3rd: World Wildlife Day
April 1966
2nd: Pascua Florida Day (Florida); World Autism Awareness Day
3rd: Palm Sunday; Orthodox Palm Sunday
4th: International Day for Mine Awareness and Assistance in Mine Action; Passover (Pesach)
May 1966
2nd: World Tuna Day
3rd: World Press Freedom Day
4th: Vesak, the Day of the Full Moon
June 1966
1st: Global Day of Parents
3rd: Jefferson Davis' Birthday (Florida); World Bicycle Day
4th: International Day of Innocent Children Victims of Aggression
July 1966
3rd: Governor's Holiday (Colorado); International Day of Cooperatives
4th: Independence Day, July 4th
7th: Kiswahili Language Day
August 1966
1st: World Breastfeeding Week
7th: American Family Day (Arizona)
8th: Victory Day (Rhode Island)
September 1966
5th: Labor Day; International Day of Charity
7th: International Day of Police Cooperation; International Day of Clean Air for Blue Skies
8th: International Literacy Day
October 1966
1st: International Day of Older Persons
2nd: World Habitat Day; International Day of Non-Violence
3rd: Cabrini Day (Colorado)
November 1966
2nd: International Day to End Impunity for Crimes against Journalists
3rd: International Day for Biosphere Reserves; International day against violence and bullying at school including cyberbullying
5th: World Day of Romani Language; World Tsunami Awareness Day
December 1966
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