Editing 1971 (section)

=== October ===
{{Main|October 1971}}
* [[October 1]] – [[Walt Disney World]] opens in [[Orlando, Florida]].
* [[October 4]]–[[October 7|7]] – [[Pink Floyd]] record their groundbreaking film, ''[[Pink Floyd: Live at Pompeii]]'' at the [[Amphitheatre of Pompeii]].
* [[October 13]] – The [[Pittsburgh Pirates]] defeat the [[Baltimore Orioles]] 4–3 in Game 4 of the [[1971 World Series|World Series]] [[Three Rivers Stadium|at home]] in the first ever [[Major League Baseball]] postseason game played at night. The Pirates defeat the Orioles 2–1 in the decisive Game 7 at Baltimore four days later.
* [[October 14]] – [[Greenpeace]] is founded in Vancouver, British Columbia, Canada.
* October 14 – The largest [[state banquet]] in history is held at the ancient city of [[Persepolis]] in [[Iran]], marking the symbolic [[2,500-year celebration of the Persian Empire|Celebration of the 2,500th Anniversary of the Founding of the Persian Empire]].
* [[October 17]] – The [[Pittsburgh Pirates]] defeat the [[Baltimore Orioles]] to win the [[1971 World Series]].
* [[October 18]] – In New York City, the [[Knapp Commission]] begins public hearings on police corruption.
* [[October 21]]
** U.S. President [[Richard Nixon]] nominates [[Lewis Franklin Powell Jr.]] and [[William H. Rehnquist]] to the [[U.S. Supreme Court]].
** The [[Clarkston explosion]] in Scotland, caused by a gas leak, kills 22 people.
* [[October 24]] – [[Texas Stadium]] opens in [[Irving, Texas]]. In the inaugural game, the host [[Dallas Cowboys]] defeat the [[New England Patriots]] 44–21.
* [[October 25]] – The [[United Nations General Assembly]] [[United Nations General Assembly Resolution 2758 (XXVI)|admits]] the [[People's Republic of China]] and expels the [[Republic of China]] (or Taiwan).
* [[October 27]] – The [[Democratic Republic of the Congo]] is renamed [[Zaire]].
* [[October 28]]
** The [[House of Commons of the United Kingdom]] votes 356–244 in favour of joining the [[European Economic Community]].
** The United Kingdom becomes the sixth nation successfully to launch a satellite into orbit using its own [[launch vehicle]], the [[Prospero (satellite)|Prospero]] (X-3) experimental communications satellite, using a [[Black Arrow]] carrier rocket from [[Woomera, South Australia]].
** The [[Khedivial Opera House]] in [[Cairo]], Egypt, burns down.
* [[October 29]] – [[Vietnam War]] – [[Vietnamization]]: The total number of American troops still in [[Vietnam]] drops to a record low of 196,700 (the lowest since January 1966).
* [[October 30]]
** Rev. [[Ian Paisley]] founds the [[Democratic Unionist Party]] in [[Northern Ireland]].
** ''[[Meddle]]'', the critically acclaimed album by [[progressive rock]] band [[Pink Floyd]], is released.
* [[October 31]] – A bomb explodes at the top of the [[BT Tower|Post Office Tower]] in London.