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Brunot Agreement

The Brunot Agreement between the Nuche (Ute) and the US government in 1873 led to the development of mining in the San Juan Mountains by taking 3.7 million acres (about 5,780 square miles) from the Ute Reservation in western Colorado…

Conejos Treaty

Signed in October 1863 at Conejos in the San Luis Valley, the Conejos Treaty was an agreement between the US government and the Tabeguache band of Nuche (Ute people). It granted the United States the rights to all land in Colorado’s Rocky Mountains east…

Indian Annuities

Annuities were a fixed sum of money or goods that the US government paid to Indigenous people on a regular basis for the sale of their lands. Treaties with Indigenous nations typically specified payments in dollar amounts over a period of years in return…

Indigenous Treaties in Colorado

Treaties with Indigenous people played a major role in the conquest and formation of Colorado. Backed by the constant threat of military force, the series of treaties and agreements signed between the federal government and various Indigenous…

Little Arkansas Treaty

The Little Arkansas Treaty refers to a pair of treaties signed between the US and Indigenous nations in Kansas in mid-October 1865: one with the Southern Arapaho and Southern Cheyenne nations and one with the Comanche and Kiowa. Of the two, the treaty…

Medicine Lodge Treaties

The Medicine Lodge Treaties were a series of three treaties between the US government and the Comanche, Kiowa, Plains Apache, Southern Cheyenne, and Southern Arapaho American Indian nations, signed in October 1867 along Medicine Lodge Creek, south of…

Samuel Elbert

Samuel Hitt Elbert (1833–99) was the sixth governor of the Colorado Territory (1873–74) and was elected as one of the first justices on the Colorado Supreme Court after statehood in 1876. The son-in-law of territorial governor and businessman John Evans,…

Treaty of Abiquiú

Considered to be the first official treaty between the United States and the Ute people of southern Colorado and northern New Mexico, the Treaty of Abiquiú was made in 1849 with the intention of establishing peaceful relations between the two groups…

Treaty of Fort Laramie

Signed in 1851, the Treaty of Fort Laramie was made between the US government and several Indigenous nations of the Great Plains—including the Cheyenne, Arapaho, and Lakota—who occupied parts of present southern Wyoming and northern Colorado. The treaty…

Treaty of Fort Wise

The Treaty of Fort Wise was an agreement between the US government and the Cheyenne and Arapaho people who lived on the western Great Plains in present-day Colorado, Kansas, Nebraska, and Wyoming. The treaty was signed in 1861 and reduced the territorial…

Treaty of Guadalupe Hidalgo

Signed on February 2, 1848, the Treaty of Guadalupe Hidalgo ended the Mexican-American War (1846–48). In the treaty, the Republic of Mexico agreed to cede 55 percent of its territory, some 525,000 square miles, to the United States. This land eventually…

Ute Treaty of 1868

The Ute Treaty of 1868, also known as the “Kit Carson Treaty,” was negotiated between agents of the US government, including Kit Carson, and leaders of seven bands of Nuche (Ute people) living in Colorado and Utah. The treaty created for the Utes a…