21 December

Events which occurred on the 21st of December.

Events[]

1898: Marie Curie co-discovers the element radium.
1911: Baseball legend Josh Gibson is born.
1945: United States General George Patton dies.
1968: NASA launches the Apollo 8 mission to the moon.
1970: The Aegis assigns Gary Seven and Roberta Lincoln to investigate a warring clone civilization on Alpha Tau IV. (TOS - Leonard McCoy, Frontier Doctor comics: "Medics", "Hosts")
2270: Mark Piper is killed in Baltimore on Earth. (TOS - The Lost Years novel: Traitor Winds)

1979: The 20th installment of TOS comic: "Called Home" is published in daily newspapers by the Los Angeles Times Syndicate.
1980: The 106th installment of TOS comic: "Husian Gambit" is published.
1981: The 57th installment of TOS comic: "Restructuring Is Futile" is published.
1982: The 44th installment of TOS comic: "Taking Shape" is published.
1992: TNG episode: "Chain of Command", part 2 airs (week of).
2004: VOY season 7 is released on DVD, region 1.
2016: TOS - Stranger Worlds comic: "Issue 1" is released by IDW Publishing.
2017: ST omnibus: Graphic Novel Collection, Volume 26 is published by Eaglemoss Collections, reprinting the TOS miniseries Khan: Ruling in Hell, IDW's miniseries adaptation of TOS movie: The Wrath of Khan, and TOS comic: "Siege in Superspace".
2021: DS9 novel: Revenant is published.
2022: SNW - The Illyrian Enigma comic: "Issue 1" is released.