- 1946. The International Tribunal at Nuremberg convicts 22 Nazi leaders of war crimes. Goering commits suicide before his scheduled execution.
- June 5, 1947. The Marshall Plan, which outlines U.S. involvement in the reconstruction of Europe, is introduced.
- 1947. The Truman Doctrine establishes the U.S. policy of providing aid to any government resisting Communism.
- 1948. Gandhi is fatally shot by a Hindu fanatic in New Delhi.
- June 1948. The Berlin Airlift begins and lasts until May 1949. The airlift was a humanitarian effort of the United States, Britain and France to preserve the non-Soviet held portions of the cityof Berlin, which had been isolated from all access to trade, including the importation of food and necessary goods.
- October 10, 1949. Communists establish the People's Republic of China.
- October 24, 1949. United Nations headquarters are dedicated in New York City.
- 1949. The United States and West European countries establish the North Atlantic Treaty Organization (NATO) for collective security.
- June 27, 1950. Truman orders troops to South Korea to participate in a UN force that will help repel North Korean troops from the country, the beginning of U.S. involvement in the Korean War.
U.S. Politics & Government
- 1947. A housing crisis becomes a major national concern in the United States.
- November 2, 1948. Harry Trumanis reelected President.
- 1948. The term "Cold War" becomes widely used to describe the U.S. relationship with the U.S.S.R.
Companies, Inventions, Discoveries & Technology
- June 17, 1947. The first globe circumnavigating passenger airliner is inaugurated by Pan Am. The fare to travel around the world was $1700.
- October 11, 1950. A license to begin color TV broadcasts is issued by the FCC to Columbia Broadcasting System (CBS) causing a controversy when RCA claims that they had developed a superior color broadcasting device.
- In 1950, 9% of homes own TV sets. By 1979, 98% of U.S. homes had a television.
Humanities and the Arts, Entertainment & Sports
- 1947. Jackie Robinson becomes the first black baseball player in the major leagues when he joins the Brooklyn Dodgers.
- May 5, 1947. The Pulitzer Prize is awarded to Robert Penn Warren for All the King's Men.
- December 3, 1947. A Street Car Named Desire by Tennessee Williams opens in New York.
- December, 1947. The children's television series "Howdy Doody" premieres on NBC.
- April 7, 1949. The Rodgers and Hammerstein musical South Pacific opens on Broadway.
- April 1950. The first National Basketball Association championship is played. The Minneapolis Lakers defeat the Syracuse Nationals.
- 1946. Strikes this year involve 4.6 million workers and cost 116,000,000 hours of labor.
- March 8, 1948. Offering religious education in public schools is declared a violation of the First Amendment by the Supreme Court.