In 1838: One of the first colleges for women, Mount Holyoke Female Seminary in South Hadley, Mass., graduated its first students.
In 1927: Italian-born anarchists Nicola Sacco and Bartolomeo Vanzetti were executed in Boston for the murders of two men during a 1920 robbery. (Sacco and Vanzetti were vindicated in 1977 by Massachusetts Gov. Michael S. Dukakis.)
In 1939: Nazi Germany and the Soviet Union signed a non-aggression treaty.
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