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René-Robert Cavelier, Sieur de La Salle, explores the Ohio region for France.
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The war between the French and the Ottawa Indians ends
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Ohio becomes part of the Northwest Territory.
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Marietta, the first settlement in the Ohio Territory, is founded.
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United States Army defeats Native American forces at the Battle of Fallen Timbers.
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The Treaty of Greenville gives the United states claim to most Native American lands in the Northwest Territory.
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Ohio becomes the seventeenth state
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The Erie Canal opens
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The American Civil War begins.
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John D. Rockefeller forms the Standard Oil Company of Ohio
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The Great Migration begins.
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Ohio Civil Rights Act is passed
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The Great Depression begins
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More than 11 million people live in Ohio.
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I was Born