On this day: October 31

Published On: Oct 31 2012 12:59:09 AM EDT   Updated On: Oct 31 2015 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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1970: Michelle Phillips, formerly of The Mamas & Papas, and actor Dennis Hopper are married in Taos, New Mexico. The two would end up divorcing eight days later.