The RMS Titanic departed Queenstown, Ireland, for its fatal journey to New York.
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The Church of Jesus Christ of Latter-day Saints was founded in LaFayette, New York, by Joseph Smith.
Construction started on Chicago's first-ever skyscraper for the Home Insurance Company of New York.
The Society for American Baseball Research was founded in Cooperstown, New York.
British forces retaliated against the United States and burned Buffalo, New York, to the ground.
John Jacob Astor established the Pacific Fur Company.
