. . "Colorado Territory"@en . . . "The Territory of Colorado was an organized incorporated territory of the United States that existed from February 28, 1861, until August 1, 1876, when it was admitted to the Union as the State of Colorado.The territory was organized in the wake of the Pike's Peak Gold Rush of 1858\u20131861 which brought the first large concentration of white settlement to the region."@en . . . "Territory of Colorado"@en .