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 - first NBA championship
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Jason Antony/SXC

1947: The Philadelphia Warriors beat the Chicago Stags four games to two to win the first championship of the Basketball Association of America, the forerunner of the NBA.

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