Year 1880 U.S. Calendar
January 1880
February 1880
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 1880
1st: World Seagrass Day Zero Discrimination Day
2nd: Texas Independence Day (Texas) Town Meeting Day (Vermont)
3rd: World Wildlife Day
April 1880
1st: April Fools' Day
2nd: Pascua Florida Day (Florida) World Autism Awareness Day
4th: International Day for Mine Awareness and Assistance in Mine Action
May 1880
1st: Orthodox Good Friday
2nd: World Tuna Day
3rd: World Press Freedom Day Orthodox Easter
June 1880
1st: Global Day of Parents
3rd: Jefferson Davis' Birthday (Florida) World Bicycle Day
4th: International Day of Innocent Children Victims of Aggression
July 1880
3rd: Governor's Holiday (Colorado) International Day of Cooperatives
4th: Independence Day, July 4th
7th: Kiswahili Language Day
August 1880
1st: American Family Day (Arizona) World Breastfeeding Week
9th: Victory Day (Rhode Island) International Day of the World's Indigenous People
11th: World Steelpan Day
September 1880
5th: International Day of Charity Rosh Hashanah
6th: Labor Day
7th: International Day of Police Cooperation International Day of Clean Air for Blue Skies
October 1880
1st: International Day of Older Persons
2nd: World Habitat Day International Day of Non-Violence
4th: Cabrini Day (Colorado) World Space Week
November 1880
2nd: Election Day General Election Day (Hawaii, Illinois)
4th: Return Day (Delaware)
9th: International Week of Science and Peace
December 1880
1st: World AIDS Day Rosa Parks Day in Ohio and Oregon
2nd: International Day for the Abolition of Slavery
3rd: International Day of Persons with Disabilities
