Born in 1955

A selection from Wikipedia's '1955 in the United States'. Not a complete list.

• February 12 – President Dwight D. Eisenhower sends the first U.S. advisors to South Vietnam.
• June 16 – Lady and the Tramp premieres in Chicago. It is the first animated film distributed by Disney's own Buena Vista Film Distribution and the first filmed in CinemaScope widescreen.
• July 17 – The Disneyland theme park opens in Anaheim, California, an event broadcast on the ABC television network.
• August 1 – The prototype Lockheed U-2 reconnaissance aircraft first flies, in Nevada.
• September 10 – Western series Gunsmoke debuts on the CBS television network.
• October 3 – The Mickey Mouse Club airs on the ABC television network.
• October 27 – The film Rebel Without a Cause, starring James Dean, is released.
• November 27 – Fred Phelps establishes the Westboro Baptist Church in Topeka, Kansas.

Source: Wikipedia (CC BY-SA 4.0)

• Play-Doh
• Gumby
• Matchbox Cars