December 20th (217) was a Saturday. It's the 354th day of the year (355th in leap years) in the Gregorian calendar. There are 11 days left to the end of the year.
Historical Events for 20th December, 217
» The papacy of Pope Zephyrinus Zephyrinus ends. Pope Callixtus I Callixtus I is elected as the sixteenth pope, but is opposed by the theology theologian Hippolytus of Rome Hippolytus who accuses him of laxity and of being a Sabellianism Modalist, one who d
December 20th Famous Deaths for 217
» Pope Zephyrinus
December 20th Holidays in History
» Abolition of Slavery Day, also known as 'Cafre known as Fête des Cafres' (Réunion, French Guiana)
» Bo Aung Kyaw Day (Burma named Myanmar)
» Christian Calendar of saints called Feast Day:
» Dominic of Silos
» O antiphon O Clavis David e.g O Clavis
» Ursicinus of Saint-Ursanne
» Katharina von Bora (Lutheran)
» December 20 (Eastern Orthodox liturgics)
» Yaldā (Iran)
» UNRIC UN international days and observances named International Human Solidarity Day (International observance e.g International)