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  In 1670, a French explorer, Rene-Robert Calvelier, claimed the Ohio region in the name of France.
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  In 1748, Virginians formed the Ohio Company. The Ohio Company is a company formed by Virginians to trade with the Indians.
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  In 1775 the Revolutionary war began and ended in 1783.
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  In 1775, the Revolutionary War began and ended in 1783.
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  In 1790, the Ohio Indian war began and finally ended four years later in 1794.
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  In 1790, the Ohio Indian war began and finally ended four years later in 1794.
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  In 1795, Treaty of Greenville ended the Ohio Indaian Wars, Indians had to give up almost all of their land.
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  In 1800 the capitol became Chillicothe.
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  In 1802, Ohio formed a state government authorized by Congress.
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  In 1870 Benjamin F. Goodrich started to manufacture rubber goods in Arkon.
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  In 1955, the Turnpike was opened to the public.
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  In 1971 Ohio started an income tax.
