On this day: October 31

Published On: Oct 31 2012 12:59:09 AM EDT   Updated On: Oct 31 2013 02:00:00 AM EDT

The first All Hallows' Evening is celebrated, Nevada becomes a state, Harry Houdini dies, Mount Rushmore is completed, and the Vatican apologizes to Galileo, all on this day.

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1922: Benito Mussolini becomes prime minister of Italy. He ruled constitutionally until 1925, when he dropped all pretense of democracy and set up a legal dictatorship that would stand until his ouster in 1943.