April 22, 1500: <a href="/encyclopedia/people/history/explore-conquer/cabral-pedro-alvares">Pedro Alvares Cabral</a> discovered <a href="/world/countries-world/brazil-0">Brazil</a> and claimed it for <a href="/world/countries-world/portugal-0">Portugal</a>.
April 22, 1509: <a href="/encyclopedia/people/history/uk-ireland/henry-viii-king-of-england">Henry VIII</a> became king of <a href="/world/countries-world/united-kingdom-0">England</a>.
April 22, 1616: The Spanish poet <a href="/encyclopedia/arts/bios/iberian-lit/cervantes-saavedra-miguel-de">Cervantes</a> died in Madrid. (Some sources say April 23.)
April 22, 1864: Congress authorized the inscription "In God We Trust" on coins minted as U.S. currency.
April 22, 1889: The land rush in <a href="/node/70036">Oklahoma</a> began when it was opened to settlers.
April 22, 1970: <p>The first <a href="/culture-entertainment/holidays/taking-care-earth-every-day">Earth Day</a> was observed.</p>
April 22, 1994: <a href="/encyclopedia/history/bios/us/nixon-richard-milhous">Richard M. Nixon</a> died of a stroke at the age of 81.
April 22, 2000: Armed immigration agents took <a href="/node/10299">Elian Gonzalez</a> from the Miami home of his relatives to reunite him with his father.
More events from This Day in History: April 22