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it revolutionized the world's economic and social life was transmitted by Samuel Finley Breese Morse
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Typewriter was developed by three American inventors
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Cincinnati Red Stockings emerged as the first professional team.
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it was built by the Western Union. it had a time ball at the top, which dropped at noon on a signal telegraphed from the U.S. Naval Observatory.
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its a common law joint stock company organized in Boston, Massachusetts.
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it was all a disaster, it was crowded, teachers would be unprepared...etc.
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President Benjamin Harrison signed the act and designated chicago as the site of the exposition
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One of the most famous and influential fairs in history and it was held at Jackson Park in Chicago, Illinois ,May 1-October 31, 1893.