To remove the Missouri bushwhacker's base of support, and to prevent angry Kansans from leading raids of retribution into Missouri, General Thomas Ewing Jr. issues General Order No. 11, which calls for the forced evacuation of all citizens outside of urban areas and Union bases in Jackson, Cass, Bates, and northern Vernon Counties

After losing the Battle of Dry Wood Creek, Free-State leader and Colonel James H. Lane guides his 3rd, 4th, and 5th Kansas Volunteers in the sacking of Osceola, Missouri.