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david wilmot introduces the wilmot proviso
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free soil party is founded
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zach taylor elected president
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california seeks admission to the union
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compromise of 1850
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fugitive slave act
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Zachary Taylor dies while in office
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Sioux sign Treaty of Traverse des Sioux
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Congress passes the Land Act of 1851
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uncle tom's cabin published
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franklin pierce elected president
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Gadsden Purchase
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congress passes kansas- nebraska act
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republican party founded
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Abraham Lincollincoln gives a speech condemning the Kansas-Nebraska Act.
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preston brooks assaults charles sumner on senate floor
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dread scott case
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First elevator installed
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james Buchanan inaugurates the new trans-Atlantic telegraph cable
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john brown raids harper's ferry