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Ohio admitted to the Union as the 17th state.
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Columbus named state capitol
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The National Road reaches St. Clairsville
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The State Board of Agriculture is organized.
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The first Ohio State Fair opens.
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The second US Women's Rights Convention is held in Salem.
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John Brown, an abolitionist from Akron, leads raid on Harper's Ferry, VA.
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Cedar Point opens its first roller coaster.
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Spring floods kill 428 people.
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Carl Burton Stokes was the 51st mayor of Cleveland, Ohio.