On this day: April 22

Published On: Apr 19 2013 01:48:16 PM CDT   Updated On: Apr 22 2016 01:00:00 AM CDT

Thousands rush to claim land in Oklahoma, the first nationwide Earth Day takes place, Richard Nixon dies, federal agents seize Elián González, and the Deepwater Horizon drilling rig sinks while spewing oil, all on this day.

OTD April 22 - Disney's Animal Kingdom
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David R. Tribble/Wikimedia Commons

1998: Disney's Animal Kingdom theme park opens at Walt Disney World near Orlando, Florida. It is the largest single Disney theme park in the world, covering more than 500 acres, and is also the first Disney theme park to be themed entirely around animal conservation.

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