sentences:  The Kansas–Nebraska Act of 1854 established Kansas Territory, which included the entire length of the Saline River.By 1873, the U.S. government had forcibly removed the Kansa to a reservation in Indian Territory (now Oklahoma).In August 1867, Cheyenne warriors massacred a party of railroad workers in Ellis County, an incident which led to a battle between the Cheyenne and Buffalo Soldiers from Fort Hays that became known as "The Battle of the Saline River."