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Spanish Civil War: The Battle of Guadalajara begins.
William Penn receives the area that is now the state of Delaware, and adds it to his colony of Pennsylvania.
The September 11 attacks, a series of coordinated terrorist attacks killing 2,996 people using four aircraft hijacked by 19 members of al-Qaeda. Two aircraft crash into the World Trade Center in New York City, a third crashes into The Pentagon in Arlington County, Virginia, and a fourth into a field near Shanksville, Pennsylvania.
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