On this day in 1987, the Herald of Free Enterprise ferry capsized shortly after leaving the Zeebrugge harbor in Belgium.

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On this day in 1887, American teacher Anne Sullivan was introduced to her star pupil, Helen Keller. 

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On this day in 1789, the Pennsylvania legislature lifted a decade-long ban on live theater.

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On this day in 1639, Governor John Winthrop documented a report of unidentified flying objects in the sky above Boston.

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On this day in 1844, an American naval cannon exploded during a peacetime demonstration, killing six spectators and wounding many others. 

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On this day in 1922, the Boston Presbytery voted to remove Reverend Edwin Curtis from his church after learning he had baptized a dog. 

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On this day in 1835, Jotham Meeker published the first newspaper printed entirely in a Native American language. 

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On this day in 1868, author and civil rights advocate W.E.B. Du Bois was born.

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On this day in 1989, DJ Jazzy Jeff & the Fresh Prince's “Parents Just Don't Understand” became the first hip-hop song to win a Grammy.

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On this day in 1948, the National Association for Stock Car Auto Racing was officially incorporated. 

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