Editing 1967 (section)

===April===
{{Main|April 1967}}
* [[April 2]] – A [[United Nations]] delegation arrives in [[Aden]] as its independence approaches. The delegation leaves [[April 7]], accusing British authorities of lack of cooperation. The British say the delegation did not contact them.
* [[April 4]] – [[Martin Luther King Jr.]] denounces the Vietnam War during his sermon at the Riverside Church in New York City.
* [[April 7]] – [[Six-Day War]] (approach): [[Israel]]i fighters shoot down 7 Syrian [[MIG-21]]s.
* [[April 8]] – ''[[Puppet on a String (Sandie Shaw song)|Puppet on a String]]'' by Sandie Shaw (music and lyrics by Bill Martin and Phil Coulter) wins the [[Eurovision Song Contest 1967]] for the United Kingdom.
* [[April 9]] – The first [[Boeing 737]] (A-100 series) takes its maiden flight.
* [[April 10]] – The AFTRA strike is settled just in time for the [[39th Academy Awards]] ceremony to be held, hosted by [[Bob Hope]]. [[Academy Award for Best Picture|Best Picture]] goes to ''[[A Man for All Seasons (1966 film)|A Man for All Seasons]]''.
* [[April 15]]
** Large demonstrations are held against the [[Vietnam War]] in New York City and [[San Francisco]]. The march, organized by the [[National Mobilization Committee to End the War in Vietnam]], from Central Park to the United Nations drew hundreds of thousands of people, including Dr. [[Martin Luther King Jr.]], [[Harry Belafonte]], [[James Bevel]], and Dr. [[Benjamin Spock]], who marched and spoke at the event. A simultaneous march in San Francisco was attended by [[Coretta Scott King]].<ref>{{Cite web|url=https://www.swarthmore.edu/library/peace/DG051-099/dg075nmc.htm#:~:text=The+National+Mobilization+Committee+to,City+and+in+San+Francisco.|title=National Mobilization Committee to End the War in Vietnam Records (DG 075), Swarthmore College Peace Collection|website=www.swarthmore.edu}}</ref>
** Scotland defeats England 3–2 at Wembley Stadium, with goals from Law, Lennox and McCalligog, in the British Championships. This is England's first defeat since they won the World Cup, and ends a 19-game unbeaten run.
* [[April 20]]
** The [[Surveyor 3]] [[unmanned space missions|probe]] lands on the Moon.
** A Globe Air [[Bristol Britannia]] turboprop crashes at [[Nicosia]], [[Cyprus]], killing 126 people.<ref>{{cite web|title=Aviation accidents |url=http://www.planecrashinfo.com/1967/1967-31.htm|archive-url=https://web.archive.org/web/20100204103332/http://planecrashinfo.com/1967/1967-31.htm|archive-date=February 4, 2010|url-status=live|access-date=2009-04-06}}</ref><ref>{{cite web|url=http://aviation-safety.net/database/record.php?id=19670420-1&lang=en|title=ASN Aircraft accident Bristol 175 Britannia 313 HB-ITB Nicosia Airport (NIC)|access-date=2007-04-20|url-status=dead|archive-url=https://web.archive.org/web/20070929134342/http://aviation-safety.net/database/record.php?id=19670420-1&lang=en|archive-date=September 29, 2007}}</ref>
* [[April 21]]
** Greece suffers a military coup by a group of military officers, who establish a [[Greek military junta of 1967–1974|military dictatorship]] led by [[Georgios Papadopoulos]]; future-Prime Minister [[Andreas Papandreou]] remains a political prisoner till [[December 25]]. The dictatorship ends in [[1974]].
** An outbreak of tornadoes strikes the upper Midwest section of the United States (in particular the Chicago area, including the suburbs of [[Belvidere, Illinois|Belvidere]] and [[Oak Lawn, Illinois]]<ref>{{Cite web|url=https://www.chicagotribune.com/news/photo/vintage/ct-oak-lawn-tornado-1967-historical-photos-20170418-photogallery.html|title=Oak Lawn tornado of 1967|last=Tribune|first=Chicago|website=chicagotribune.com|date=April 21, 1967 |language=en-US|access-date=2019-03-07}}</ref> where 33 people are killed and 500 injured).
* [[April 23]] – A group of young leftist radicals are expelled from the [[Nicaraguan Socialist Party]] (PSN). This group goes on to found the [[Communist Party of Nicaragua|Socialist Workers Party]] (POS).
* [[April 24]] – ''[[Soyuz 1]]'': [[Vladimir Komarov]] becomes the first Soviet [[cosmonaut]] to die, when the parachute of his space capsule fails during re-entry.
* [[April 27]] – [[Montreal]], [[Quebec]], ''[[Expo 67]]'', a [[World's Fair]] to coincide with the [[Canadian Confederation]] centennial, officially opens with Prime Minister [[Lester B. Pearson]] igniting the Expo Flame in the Place des Nations.
* [[April 28]]
** In [[Houston, Texas]], United States, boxer [[Muhammad Ali]] refuses military service. He is stripped of his boxing title and barred from professional boxing for the next three years.
** [[Expo 67]] opens to the public, with over 310,000 people attending. Al Carter from Chicago is the first visitor as noted by Expo officials.
** The U.S. [[aerospace manufacturer]] [[McDonnell Douglas]] is formed through a merger of [[McDonnell Aircraft]] and [[Douglas Aircraft Company|Douglas Aircraft]] (it becomes part of [[The Boeing Company]] three decades later).
* [[April 29]] – [[Fidel Castro]] announces that all [[intellectual property]] belongs to the people and that [[Cuba]] intends to translate and publish technical literature without compensation.
* [[April 30]] – Moscow's 537 m tall [[Ostankino Tower|TV tower]] is finished.