Air conditioning is born, the "happiest place on Earth" opens up, and the Beatles get animated, all on this day.
2011: Casey Anthony is released from jail in Orange County, Florida, 17 days after being cleared of murdering her daughter Caylee.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Pop singer Katy Perry has made a big impact on the music scene in the few years she has been around. In celebration of her 30th birthday on Saturday, join us for a look at her career so far.