Born in 1946

A selection from Wikipedia's '1946 in the United States'. Not a complete list.

• February 14 – ENIAC (for "Electronic Numerical Integrator and Computer"), the first general-purpose electronic computer, is unveiled at the University of Pennsylvania.
• March 5 – In his speech at Westminster College, in Fulton, Missouri, Winston Churchill popularizes the political metaphor of the Iron Curtain.
• May 23 – Dwarf Grill, predecessor of Chick-fil-A, a fast food chicken restaurant, is founded in Georgia.
• June 6 – The Basketball Association of America is formed in New York City, later renamed the National Basketball Association.
• July 4 – The Philippines is granted independence by the United States.
• July 25 – Nuclear testing: In the first underwater test of the atomic bomb, the surplus USS Saratoga is sunk near Bikini Atoll in the Pacific Ocean, when the United States detonates the Baker device during Operation Crossroads.
• November 1 – The New York Knicks play against the Toronto Huskies at the Maple Leaf Gardens, in the first Basketball Association of America game. The Knicks win 68–66.
• December 20 – Frank Capra's It's a Wonderful Life, featuring James Stewart, Donna Reed, Lionel Barrymore, Henry Travers and Thomas Mitchell, is released in New York.

Source: Wikipedia (CC BY-SA 4.0)