Colorado By hiddenvalley5 May 14, 1682 Rene-Robert Cavelier claims Louisiana territory including part of Colorado and and claim it for Spain May 14, 1706 Juan de Ulibarri and his soldiers arrive in Colorado and cliam it for SPain May 14, 1803 Part of Present day Colorado is included in the Louisiana Purchise May 14, 1806 Zepulan Pike explores Colorado, and sees, but does not climb, the peak that will be named after him May 14, 1820 Stephen Long leads an expedition through the Colorado region May 14, 1848 The United States given control of southern Colorado through Treaty of Gaudalupe Hidalgo, wich ends the Mexican war May 14, 1851 First peranmanent U.S settlement in Colorado established at San Luis May 14, 1861 U.S Congress creates Colorado Territory May 14, 1862 Oil is discovered in Colorado, near Florence May 14, 1864 Third Colorado Caviary attacks sleeping Aropho and Cheynne at Sand Creek, killing several hundred men, and women, and children May 14, 1876 Colorado Wins Statehood Jan 28, 1998 Denver Brocos Win FIrst Super Bowl
