On this day in 1820, U.S. Navy Capt. Nathaniel B. Palmer discovers the frozen continent of Antarctica, right in his own freezer.

On this day in 1928, the first successful sound-synchronized animated cartoon, Walt Disney's Steamboat Willie, starring Mickey Mouse, premieres in New York, causing audiences to panic and run for the exits.

On this day in 1966, U.S. Roman Catholic bishops announce they are doing away away with the rule against eating meat on Fridays, in a press conference at The Steak Joint in Bayonne, New Jersey.

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