Today in History—December 25: The Day Christmas Made the Calendar: Quick Facts

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December 25, 352: When December 25 became Christmas

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December Christmas Today in History—December 21: The Birth of Basketball Today in History—December 10: The Great Emu War Ends (Badly, for Humans)Today in History—December 14: The Tumultuous Tale of Mary, Queen of Scots Today in History—December 23: The Incident at the Yellow House Today in History—December 27: Oceans (and Centuries) Apart Today in History—December 24: Before Spotify, There Was Tinfoil Today in History—December 31: The Ball That Started It All Today in History—December 22: “The Heart of Berlin Hangs On This Gate”Today in History—December 16: “Boston, a Teapot Tonight!”Today in History—December 28: Don’t Call Her a “Test-Tube Baby”