Editing 1947 (section)

===May===
{{Main|May 1947}}
* [[May 1]] – [[Portella della Ginestra massacre]]: The [[Salvatore Giuliano]] gang of Sicilian separatists opens fire on a [[Labour Day]] parade at Portella della Ginestra, [[Sicily]], killing 11 people and wounding 27.
* [[May 2]] – The movie ''[[Miracle on 34th Street]]'', a Christmastime classic, is first shown in theaters.
* [[May 3]] – The new post-war [[Constitution of Japan]] goes into effect.
* [[May 11]] – The [[Ferrari 125 S]], the first car to bear the [[Ferrari]] name, debuts.
* [[May 22]] – The [[Cold War]] begins: To fight the spread of [[Communism]], President [[Harry S. Truman]] signs an Act of Congress that implements the [[Truman Doctrine]]. This Act grants $400&nbsp; million in military and economic aid to [[Turkey]] and Greece. The Cold War [[Cold War (1985–1991)|ends]] in [[1991]].
* [[May 25]] – Hyundai Togun, the initial name of the [[Hyundai Group]], is founded by [[Chung Ju-young]].<ref>{{cite news |url=http://www.economist.com/node/185337 |title=The last emperor |access-date=20 August 2019 |publisher=The Economist |date=4 February 1999}}</ref>
* [[May 29]]
** An [[Air Iceland]] [[Douglas C-47]] on a domestic flight in [[Iceland]] crashes into a mountainside killing all 25 people on board.
** A [[United States Army Air Forces]] [[Douglas C-54 Skymaster]] crashes on approach to [[Naval Air Station Atsugi]], [[Japan]], killing all 41 on board in the worst aviation accident in Japanese history up to this time.
* [[May 30]] – [[Eastern Air Lines Flight 605]]: A [[Douglas C-54 Skymaster]] crashes near [[Port Deposit, Maryland|Bainbridge, Maryland]], killing all 53 aboard (49 passengers, 4 crew), in America's worst commercial aviation disaster to this date.
* [[May 31]] – [[Alcide de Gasperi]] forms a new government in Italy, the first postwar Italian government not to include members of the [[Italian Communist Party]].