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the United States buying a 29,640 square mile tract of land in present-day Arizona and New Mexico (approximately from Yuma to Las Cruces)
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the territories escalates when Henry Clay introduces the Compromise of 1850 to the U.S. Congress. On March 7, Senator Daniel Webster endorses the bill as a measure to avert a possible civil war
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the opening ceremony of the first World's Fair in history, the Great Exhibition of the Works of Industry of All Nations
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Overland mail between Sacramento, California and St. Joseph's, Missouri is carried over the Oregon Trail for eighteen months by this series of riders on horseback
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as commander in chief of Confederate forces, surrenders his 27,000 man army to Ulysses S. Grant at Appomattox Court House, Virginia, effectively ending the four years of Civil War conflict
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to be sworn into office in the United States Congress, Hiram Rhodes Revels, a Republican from Mississippi takes his place in the United States Senate
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begins when the New York stock market crashed, setting off a financial panic that caused bank failures
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giving equal rights to blacks in jury duty and accommodation, is passed by the United States Congress
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inspector E.C. Watkins pronounces that hundreds of Sioux and Cheyenne under Indian leaders Sitting Bull and Crazy Horse are openly hostile against the United States government, forming U.S. policy over the next year
