The life of Polly Ann Colbert, a Chickasaw Free Woman, is a history lesson of Indian Territory.

The re-taking of forts in Indian Territory was one minor focus of Grant's Vicksburg campaign in the Civil War.

The bones of the Natchez warriorss could be seen there years afterwards at Lake Sang pour Sang — "Blood for Blood."

Comanches received rations of food as well as monies to offset the loss of territory at Fort Supply.

Fort Sill represents the Old West and flourishes as the last remaining, active military post that was built during the Indian wars.

More than any other fort at or near the Red River Valley, Fort Richardson embodies American Indian reservation policy.

Fort Belknap became an important trading hub for Anglo settlement into the Comanceria.

Fort Washita's main purpose was to protect Chickasaw and Choctaw settlers from the Plains Indians and Anglo "land smugglers."

Fort Arbuckle was founded by Randolph B. Marcy in 1851 as a Chickasaw Nation garrison.

Randolph B. Marcy, who knew Texas and Indian Territory well, was tasked to lead an expedition to document the Red River in 1852.

Stephen F. Austin traced a Mexican map of the Province of Texas from 1818 and painted it with water colors.

This Province of Texas map by Mexico was drawn and colored in 1818.

A 1721 map places the Yattassee village (spelled Yatachez) on the eastern side of the Red River.

De la Harpe and his men built a wooden trading post at the "abandoned village of the Nassonite chief."

While at the Ouachita River, Bernard de la Harpe claimed to have eaten a unicorn.

The Theft of the Red River Medicine Stone, a giant meteorite, may have deeply affected relations between nations in the Red River Valley.

Establishing the Chickasaw Nation along the Red River proved to be a long ordeal.

The Shawnees were originally from the Ohio River, not the Red River.

The Kiowas of the Oklahoma Plains created a unique horse and buffalo hunting culture.

One of the more fascinating cultures of the original Red River Valley people are the Tonkawas, a very distinct Texas tribe.