Silk regimental flag of the Twentieth Kansas Volunteer Infantry, which served in the Spanish-American War from 1898 to 1899. The flag is blue with the State Seal in the center. Gold fringe is attached to three sides. The regiment saw service in the Philippines, both in combat and as an occupation force at the conclusion of the fighting. Frederick Funston served as its commander. The Twentieth was the only of the four Kansas regiments to see action during the war.

Date: between 1898 and 1899