The animated mystery-comedy “Scooby-Doo, Where Are You!” first aired on CBS.
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'Uncle Sam' became the official nickname of the United States.
The Soviet Union's Luna 2 space probe became the first spacecraft to reach the moon's surface.
The pilot episode of 'Supernatural,' created by Eric Kripke, aired on The WB Television Network.
Swiss engineer George de Mestral patented velcro.
Michelangelo began his three-year project sculpting the Statue of David.
