- Dec 1 KGMB TV channel 9 in Honolulu, HI (CBS) begins broadcasting
- Dec 1 27th Iron Bowl: Alabama beats Auburn 38-0 in Birmingham, their fourth straight shutout in the series
- Dec 1 Classifications in minor league baseball are overhauled; Eastern and South Atlantic leagues are promoted from Class-A to Class-AA; classes B, C and D are abolished with those leagues being promoted to Class-A
- Dec 2 50th Grey Cup, Exhibition Stadium, Toronto: Winnipeg Blue Bombers edge Hamilton Tiger-Cats, 28-27; play starts 1 December; only final ever suspended during play (fog), and first to be finished on a Sunday
- Dec 3 Edith Spurlock Sampson sworn-in as 1st US black female judge
- Dec 3 Pravda criticizes western art
- Dec 3 1963 NFL Draft: Terry Baker from Oregon State first pick by Los Angeles Rams
- Dec 4 US performs nuclear test at Nevada Test Site
- Dec 6 US abandons Skybolt ballistic missile program
- Dec 7 Great Britain performs nuclear test at Nevada Test Site
- Dec 8 "I Can Get It For You Wholesale" closes at Shubert NYC after 300 performances
- Dec 8 114-day newspaper strike begins in NYC
- Dec 8 Attempted coup in British-controlled Brunei
- Dec 8 Funeral for Queen Wilhelmina of Holland (New Kerk, Delft)
- Dec 9 "I Can Get It For You Wholesale" closes on Broadway
- Dec 9 Tanganyika becomes a republic within British Commonwealth
- Dec 10 Hunters Point (San Francisco) jitney ends service after 50 years
Film Premier
Dec 10 David Lean's film "Lawrence of Arabia", based on life of T. E. Lawrence and starring Peter O'Toole, premieres at Odeon Leicester Square (Academy Awards Best Picture 1963)
David Lean
T. E. Lawrence
#1 in the Charts
Dec 15 Vaughn Meader's "1st Family" album goes #1 & stays #1 for 12 weeks
Vaughn Meader
- Dec 16 NY Giant YA Title sets NFL season touchdown pass record at 33 with 6 touchdowns vs Dallas (41-31)
- Dec 16 Nepal establishes its constitution and becomes a Constitutional Hindu Monarchy
- Dec 16 "Lawrence of Arabia" film directed by David Lean and starring Peter O'Toole, is released in the United States
- Dec 17 Beatles 1st British TV appearance (People & Places)
- Dec 17 Current constitution of Monaco promulgated
Music Premiere
Dec 18 Dmitri Shostakovich's 13th Symphony premieres in Moscow
Dmitri Shostakovich
- Dec 18 USSR performs nuclear test at Novaya Zemlya USSR
- Dec 18 WAIQ TV channel 26 in Montgomery, AL (PBS) begins broadcasting
- Dec 18 Ballon d'Or: Dukler Prague midfielder Josef Masopust wins award for best European football player; beats Benfica striker Eusébio and FC Köln defender Karl-Heinz Schnellinger
- Dec 19 Nyasaland secedes from Rhodesia & Nyasaland
- Dec 19 Street signs in Golden Gate Park approved by Park Commission
- Dec 19 Transit 5A1, 1st operational navigational satellite, launched
- Dec 20 Osmond brothers debut on Andy Williams Show
- Dec 21 Angolin leaves Comecon
- Dec 21 US & Cuba accord, releases bay of pigs captive
- Dec 22 1,000,000th NBA point scored
- Dec 22 Harris County voters approve all-weather stadium for Houston Colt .45s
- Dec 22 Kinderman Place in the Bronx named
- Dec 22 USSR performs nuclear test at Novaya Zemlya USSR
- Dec 23 Cuba starts returning US prisoners from Bay of Pigs invasion
- Dec 23 AFL Championship, Jeppesen Stadium, Houston: Dallas Texans beat Houston Oilers, 20-17; Tommy Brooker lands winning 25-yard field goal in overtime
- Dec 24 USSR performs nuclear test at Novaya Zemlya USSR
- Dec 25 USSR performs nuclear test at Novaya Zemlya USSR
Film Release
Dec 25 "To Kill a Mockingbird", a film adaptation of the novel by Harper Lee, directed by Robert Mulligan and starring Gregory Peck, is released (Gregory Peck - Best Actor Academy Awards 1963)
Gregory Peck
Harper Lee
- Dec 26 Dmitri Shostakovich's opera "Katerina Ismailova" premieres in Moscow
- Dec 27 28th Heisman Trophy Award: Terry Baker, Oregon State (QB)
- Dec 28 UN troops occupies Elizabethstad Katanga
- Dec 28 51st Davis Cup: Australia beats Mexico in Brisbane (5-0)
- Dec 29 Doug Walters makes 1st-class debut for NSW 17 yrs 8 days
- Dec 29 British driver Graham Hill wins the South African Grand Prix at Prince George Circuit in a BRM; takes out his first F1 World Drivers Championship by 12 points from Scotsman Jim Clark
NFL Championship
Dec 30 National Football League Championship, Yankee Stadium, NYC: Green Bay Packers beat NY Giants, 16-7; MVP: Ray Nitschke, Green Bay, LB
Ray Nitschke