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…

Passed by Congress in 1887, the Dawes Act—formally known as the General Allotment Act—authorized the US government to survey and divide federal Indigenous reservations into private lots for individual tribal members. The Dawes Act’s central idea of …

Indian Agencies were established by the US government as part of the formal relationship with Indigenous nations as it acquired lands from them. Indian Agents were individuals responsible for cultivating relationships with Indigenous people and extending…

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…

The Indian Appropriations Act of 1871 declared that American Indians were no longer considered members of “sovereign nations” and that the US government could no longer establish treaties with them. The act effectively made Indians wards of the US…

The Indian Appropriations Act of 1871 declared that Indigenous people were no longer considered members of “sovereign nations” and that the US government could no longer establish treaties with them. The act effectively made Native Americans wards of the…

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…

Colorado’s role in the American Civil War (1861–65) was part of a broader geopolitical contest: control of the American Southwest. The war began in 1861, just two years after the Colorado Gold Rush and mere months after Congress established the Colorado…

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…

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…

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…