Rosalia is a town in Whitman County, Washington, United States. It is an agricultural community in the Palouse region, at an elevation of 2,238 feet above sea level. Its population was 598 at the 2020

The Battle of Pine Creek, also known as the Battle of Tohotonimme and the Steptoe Disaster, was a conflict between United States Army forces under Brevet Lieutenant Colonel Edward Steptoe and members