Editing 1967 (section)

===December===
{{Main|December 1967}}
[[File:Christiaan Barnard 1969.jpg|thumbnail|upright 0.5|[[December 3]]: [[Christiaan Barnard]] carries out first heart transplant]]

* [[December 1]] – The [[RMS Queen Mary|RMS ''Queen Mary'']] is retired. Her place is taken by the ''[[Queen Elizabeth 2]]''.
* [[December 3]] – [[Christiaan Barnard]] carries out the world's first heart transplant at [[Groote Schuur Hospital]] in [[Cape Town]], South Africa.
* [[December 4]]
** At 6:50&nbsp;PM, a [[volcano]] erupts on [[Deception Island]] in Antarctica.
** [[Vietnam War]]: U.S. and [[South Vietnam]]ese forces engage [[Viet Cong]] troops in the [[Mekong Delta]] (235 of the 300-strong Viet Cong battalion are killed).
* [[December 5]] – In New York City, [[Benjamin Spock]] and [[Allen Ginsberg]] are arrested for protesting against the [[Vietnam War]].
* [[December 6]] – Vice President [[Jorge Pacheco Areco]] is sworn in as [[List of Presidents of Uruguay|President of Uruguay]] after President [[Oscar Gestido]] dies in office.
* [[December 8]] – ''[[Magical Mystery Tour (album)|Magical Mystery Tour]]'' is released by [[The Beatles]] as a double EP in the UK, while the only psychedelic rock album by [[The Rolling Stones]], ''[[Their Satanic Majesties Request]]'', is released in the UK and in the US.
* [[December 9]]
** [[Nicolae Ceaușescu]] becomes the Chairman of the Romanian State Council, making him the de facto leader of [[Romania]].<ref>"Ceausescu Elected Romanian President; 'Soviet Men' Demoted", ''Hartford Courant'', December 10, 1967, p22</ref>
** [[Jim Morrison]] is arrested on stage in [[New Haven, Connecticut]] for attempting to spark a riot in the audience during a concert. 
* [[December 11]] – [[Supersonic airliner]] [[Concorde]] is unveiled in [[Toulouse]], France.
* [[December 12]] – ''[[Guess Who's Coming to Dinner]]'', one of the seminal race relations films of the 1960s, is released to theaters.
* [[December 13]] – King [[Constantine II of Greece]] flees the country when his coup attempt fails.
* [[December 15]] – The Silver Bridge over the [[Ohio River]] in [[Point Pleasant, West Virginia]], collapses, killing 46 people. 
* [[December 17]] – [[Harold Holt]], 17th [[Prime Minister of Australia]], [[Disappearance of Harold Holt|disappears]] when swimming at [[Cheviot Beach]], 60&nbsp;km from [[Melbourne]]. He was briefly replaced as prime minister by [[John McEwen]], until the [[Liberal Party of Australia|Liberal Party]] [[1968 Liberal Party of Australia leadership election|elected]] [[Minister for Education and Training|Minister for Education]] [[Minister for Industry and Science#List of science ministers|and Science]] [[John Gorton]] as leader.
* [[December 19]] – The [[Rescue Agreement]] setting forth rights and obligations in outer space is voted into consensus by the [[United Nations General Assembly]].<ref>{{cite web | url=https://books.google.com/books?id=OKiPCsTuRmAC&dq=rescue+agreement+december+19+1967&pg=PA7 | title=Agreement on the Rescue of Astronauts, the Return of Astronauts, and the Return of Objects Launched into Outer Space: Analysis and Background Data | last1=Galloway | first1=Eilene Marie Slack | date=1968 }}</ref>
* [[December 26]] – [[The Beatles]]' film ''[[Magical Mystery Tour (film)|Magical Mystery Tour]]'' receives its world première on [[BBC Television]] in the UK.
* [[December 29]] &ndash; [[Hyundai Motor Company|Hyundai Motor]] founded in South Korea.<ref>{{Cite web |title=Hyundai Motor {{!}} Company Overview & News |url=https://www.forbes.com/companies/hyundai-motor/ |access-date=2025-04-05 |website=Forbes |language=en}}</ref>
* [[December 31]] – Motorcycle daredevil [[Evel Knievel]] attempts to jump 141&nbsp;feet over the [[Caesars Palace]] Fountains on the [[Las Vegas Strip]] in the United States. Knievel crashes on landing and the accident is caught on film.