Wikipedia:Selected anniversaries/All

Today's anniversaries

April 22: Earth Day

The Oklahoma Land Rush of 1889

• 1500 – Portuguese explorer Pedro Álvares Cabral and his crew landed in present day Brazil and claimed the land for Portugal.
• 1889 – Over 50,000 people rushed to claim (pictured) a piece of the available two million acres (8,000 km²) in the Unassigned Lands, the present-day U.S. state of Oklahoma, entirely founding the brand-new Oklahoma City.
• 1915 – The Germans released chlorine gas in the Second Battle of Ypres, causing over 6,000 casualties, with many deaths within ten minutes by asphyxiation in the first large-scale successful War I.
• 1948 – Civil War in Mandatory Palestine: The Jewish paramilitary group Haganah captured Haifa from the Arab Liberation Army.
• 2013 – The Royal Canadian Mounted Police arrested two men who were plotting to commit terrorist attacks against Via Rail Canada operations.

Germaine de Staël (b. 1766) · James Hargreaves (d. 1778) · Wilhelm Cauer (d. 1945)