On this day: July 17

POSTED: 11:56 AM Jul 16 2012   UPDATED: 11:00 PM Jul 16 2014

Air conditioning is born, the "happiest place on Earth" opens up, and the Beatles get animated, all on this day.

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2011: Casey Anthony is released from jail in Orange County, Florida, 17 days after being cleared of murdering her daughter Caylee.