French scientists Pierre and Marie Curie discovered radium.
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The first full-length animated feature film, 'Snow White and the Seven Dwarfs,' premiered.
The first feature-length silent film comedy, 'Tillie's Punctured Romance,' was released, starring Marie Dressler, Mabel Normand, and Charlie Chaplin.
John Wayne Gacy was arrested.
A Mongol horde led by Batu Khan conquered and sacked the Russian city of Ryazan.
Elvis Presley met President Richard Nixon in the White House.
