April 22

Events

• 1500 - Portuguese navigator Pedro Álvares Cabral becomes the first European to sight Brazil.
• 1509 - Henry VIII accedes to the throne of England after the death of his father.
• 1529 - Treaty of Saragossa divides the eastern hemisphere between Spain and Portugal along a line 297.5 leagues or 17° east of the Moluccas.
• 1836 - Texas Revolution: A day after the Battle of San Jacinto forces under Texas General Sam Houston capture Mexican General Antonio López de Santa Anna.
• 1889 - At high noon, thousands rush to claim land in the Land Run of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
• 1912 - Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
• 1954 - Army-McCarthy Hearings begins in United States Congress.
• 1970 - First Earth Day celebrated.
• 1983 - The German magazine, Der Stern claims that Adolf Hitler's diaries were found in wreckage in East Germany. The Hitler Diaries would later prove to be forgeries.
• 1993 - The Holocaust Memorial Museum in Washington, DC is dedicated.

Births

• 1724 - Immanuel Kant, German philosopher (d. 1804)
• 1870 - Vladimir Lenin, Russian revolutionary and communist politician (d. 1924)
• 1899 - Seward Collins - New York socialite, publisher, and self-described fascist (d. 1952)
• 1904 - Robert Oppenheimer, American physicist (d. 1967)
• 1943 - Bruce Edwards Ivins, antharx scientist (d. 2008)

Deaths

• 1954 - Jörg Lanz von Liebenfels, Austrian occultist and founder of the Ariosophy movement (b. 1874)
• 1954 - Samuel Dickstein, New York congressman and paid NKVD agent. (b. 1885)
• 1957 - Roy Campbell, South African poet and satirist (b. 1901)
• 1984 - Ansel Adams, American photographer (b. 1902)
• 1994 - Richard Nixon, President of the United States (b. 1913)