Dec 1 World AIDS Day
Dec 1. Rosa Parks Day (Alabama, Ohio)
Dec 2 World Day for Slavery Abolition
Dec 3 World Day for Persons with
Disabilities
Dec 5 International Volunteer Day
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Dec 8 Feast of the Immaculate Conception
Dec 9 International Anti-Corruption Day
Dec 9 World Genocide Commemoration Day
Dec 10 Human Rights Day
Dec 12 International Day of Neutrality
Dec 12 Universal Health Coverage Day
Dec 12 Feast of Our Lady of Guadalupe
Dec 15 Chanukah/Hanukkah (first day)
Dec 15 Bill of Rights Day
Dec 18 International Migrants Day
Dec 18 Arabic Language Day​
Dec 20 International Human Solidarity Day
Dec 21 December Solstice
Dec 22 Last Day of Chanukah
Dec 24 Christmas Eve
Dec 25 Christmas Day
Dec 26 Kwanzaa (first day)
Dec 30 Asarah B'Tevet
Dec 31 New Year's Eve
Dates, list, and links to DateandTime.com