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1st half-page newspaper ad is published (NY Weekly Journal)
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The first united states hospital is put into place in Pennsylvania
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The United States Post Office Department is established, signed into law by President George Washington.
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The New York Stock Exchange is founded
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Levi Strauss invents jeans which makes him rich and provides many people with tough clothing.
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The General Electric Company is formed, merging the Edison General Electric Company with the Thomson-Houston Company.
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The first movie theatre in the United States opens in Los Angeles, California. It was known as the Electric Theatre.
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Henry Ford introduces the assembly line in his car building factory.
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Carrier Engineering is founded, beginning the commercialization of air conditioning
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The first U.S. supermarket, King Kullen, opens