December - 1969

• December 1 – Vietnam War: The first draft lottery in the United States is held since World War II (on January 4, 1970, The New York Times will run a long article, "Statisticians Charge Draft Lottery Was Not Random").
• December 2 – The Boeing 747 jumbo jet makes its first passenger flight. It carries 191 people, most of them reporters and photographers, from Seattle, to New York City.
• December 4 – Black Panther Party members Fred Hampton and Mark Clark are shot dead in their sleep during a raid by 14 Chicago police officers.
• December 5 – The Rolling Stones release Let it Bleed.
• December 6 – The Altamont Free Concert is held at the Altamont Speedway in northern California. Hosted by The Rolling Stones, it is an attempt at a "Woodstock West" and is best known for the uproar of violence that occurred. It is viewed by many as the "end of the sixties."
• December 12 – The Piazza Fontana bombing in Italy (Strage di Piazza Fontana) takes place.
• December 14 – The murder of Diane Maxwell takes place, when the 25-year-old phone operator is found sexually assaulted and killed (the case remains unsolved until 2003).
• December 24
  • Charles Manson is allowed to defend himself at the Tate-LaBianca murder trial.
  • The oil company Phillips Petroleum made the first oil discovery in the Norwegian sector of North Sea.
  • Nigerian troops capture Umuahia, the last Biafran capital before its dissolution became Owerri
• December 27 – The Liberal Democratic Party wins 47.6% of the votes in the Japanese general election, 1969. Future prime ministers Yoshirō Mori and Tsutomu Hata and future kingmaker Ichirō Ozawa are elected for the first time.
• December 28 – The Young Lords take over the First Spanish Methodist Church in East Harlem.
• December 30 – The Linwood bank robbery leaves two police officers dead.

December - 1968

• December 2 – Lucy Liu, American actress
• December 3
  • Brendan Fraser, Canadian-American actor
  • Montell Jordan, American singer
• December 5 – Margaret Cho, American actress and comedian
• December 7
  • Greg Ayres, American voice actor
  • Mark Geyer, Australian rugby league player
  • Filip Naudts, Belgian photographer
• December 8
  • Michael Cole, American television sports commentator
  • Wendi Deng, Chinese-American businesswoman
  • Mike Mussina, American baseball player
• December 9 – Kurt Angle, American amateur and professional wrestler, 1996 Olympic gold medalist
• December 11 – Monique Garbrecht-Enfeldt, German speed skater
• December 17 – Paul Tracy, Canadian race car driver
• December 18 – Rachel Griffiths, Australian actress
• December 21 – Khrystyne Haje, American actress
• December 22 – Dina Meyer, American actress
• December 23 – Manuel Rivera-Ortiz, American photographer
• December 24 – Choi Jin-sil, South Korean actress and model
• December 25 – Helena Christensen, Danish model
• December 26 – Dennis Knight, American professional wrestler
• December 26 – Malcolm L. McCallum, American herpetologist, conservation biologist, and environmental scientist
• December 30 – Fabrice Guy, French skier
• December 31 – Gerry Dee, Canadian actor and stand-up comedian

December - 1967

• December 3 – Harry Wismer, American baseball owner (b. 1913)
• December 4
  • Daniel Jones, British phonetician (b. 1881)
  • Bert Lahr, American actor (b. 1894)
• December 7 – House Peters, Sr., British-born actor (b. 1880)
• December 10 (in an air crash):
  • Otis Redding, American singer (b. 1941)
  • Ronnie Caldwell, American musician (b. 1948)
  • Phalon Jones, American musician (b. 1949)
• December 17
  • Harold Holt, Australian Prime Minister (body never found) (b. 1908)
  • Jack Perrin, American actor (b. 1896)
• December 21
  • Stuart Erwin, American actor (b. 1903)
  • Ejnar Hertzsprung, Danish chemist and astronomer (b. 1873)
• December 24 – Karl Ristenpart, German conductor (b. 1900)
• December 26 – Sydney Barnes, English cricketer (b. 1873)
• December 28 – Katharine McCormick, American feminist (b. 1875)
• December 29 – Paul Whiteman, American bandleader (b. 1890)
• December 30 – Vincent Massey, former Canadian Governor General (b. 1887)