Charles Darwin and Abe Lincoln share a birthday, Superman makes his radio debut, President Clinton is acquitted in his impeachment trial, and Charles Schulz passes away, all on this day.
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DC Comics
1940: The long-running radio serial "The Adventures of Superman," based on the DC Comics superhero who made his debut two years earlier, is broadcast for the first time. The radio play would continue on various radio networks and shows until March 1, 1951.