December 21st (1917) was a Friday. It's the 355th day of the year (356th in leap years) in the Gregorian calendar. There are 10 days left to the end of the year.
Famous Birthdays on December 21 in 1917
» Diana Athill, English author
» Heinrich Böll, German soldier and author, Nobel Prize in Literature known as Nobel Prize laureate (d. 1985)
December 21st Holidays in History
» Christian Calendar of saints or Feast Day:
» O antiphon e.g O Oriens
» Peter Canisius e.g Petrus Canisius
» Thomas the Apostle (Anglicanism)
» December 21 (Eastern Orthodox liturgics)
» Divalia, in honour of Angerona (Roman Empire)
» Earliest date for the winter solstice in the Northern Hemisphere and the summer solstice in the Southern Hemisphere, and its related observances:
» Earliest date for Yule in the Northern Hemisphere, and Midsummer in the Southern Hemisphere. (Contemporary Paganism known as Neopagan Wheel of the Year)
» Sangamitta named Sanghamitta Day (Theravada named Theravada Buddhism)
» Ziemassvētki (ancient Latvia)
» Public holidays in São Tomé and Príncipe called São Tomé Day (São Tomé and Príncipe)