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Planetarium
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In 1949, the first planetarium in the U.S. owned by a university opened in Chapel Hill, North Carolina.
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Planetarium
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In 1930, the first planetarium in the U.S. opened to the public, the Adler Planetarium in Chicago, Illinois.
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Submarine lung
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In 1929, the first submarine "lung" was tested.
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Vending machine law
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In 1898, the first vending machine law in the U.S. was enacted in Omaha, Neb.
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Archaeological society
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In 1879, the first national U.S. archaeological society was formed in Boston Mass., the Archaeological Institute of America.
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