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Spanish explorer, Spanish Hernando de Soto explores the area in search of gold
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An expedition under Francisco Vásquez de Coronado reaches western Oklahoma.
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Juan de Oñate leads an expedition into western Oklahoma.
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Native Americans are forcibly removed to Indian Territory in Oklahoma.
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1834 - The Indian Territory is created in Oklahoma
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The so-called Five Civilized Tribes cede half of their land to the federal government. This land is later assigned to Native Americans from other states.
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George Armstrong Custer attacks a Cheyenne camp at Washita River.
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President Rutherford B. Hayes issues proclamations forbidding settlement in the Indian Territory.
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The Unassigned Lands in central Oklahoma are opened to white settlers, beginning the first of several land runs.
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The Dawes Commission is formed to allot the lands of the Five Civilized Tribes.
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Oklahoma is admitted to the Union as the 46th state
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Blacks in Oklahoma are disfranchised.
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Blacks rally in Tulsa to prevent lynching; riots follow.
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Oklahoma's first Republican governor, Henry Bellmon, is elected.
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A bomb at the federal building in Oklahoma City kills 167 people.
