1st » TWA Flight 514, a Boeing 727, crashes northwest of Dulles International Airport, killing all 92 people on board.
1st » Harriman State Park plane crash named Northwest Orient Airlines Flight 6231, another Boeing 727, crashes northwest of John F. Kennedy International Airport.
8th » A Greek plebiscite, 1974 named plebiscite results in the abolition of Monarchy of Greece named monarchy in Greece.
13th » Malta becomes a republic within the Commonwealth of Nations.
19th » Nelson Rockefeller is sworn in as Vice President of the United States under President Gerald Ford under the provisions of the twenty-fifth Amendment to the United States Constitution.
22nd » Grande Comore, Anjouan and Mohéli Comorian independence referendum, 1974 named vote to become the independent nation of Comoros. Mayotte remains under French administration.
22nd » The house of former Prime Minister of the United Kingdom named British Prime Minister Edward Heath is attacked by members of the Provisional Irish Republican Army known as Provisional IRA.
25th » Marshall Fields (White House intruder) named Marshall Fields drives a vehicle through the gates of the White House, resulting in a four-hour standoff.