18th Kansas Militia Infantry RegimentThe 18th Kansas Militia Infantry was an infantry regiment that served in the Union Army during the American Civil War.ServiceThe 18th Kansas Militia Infantry was called into service on October 9, 1864. It was disbanded on October 29, 1864.Detailed serviceThe unit was called into service to defend Kansas against Price's Raid. The regiment saw action at Little Blue, October 21.Commander Colonel Matthew Quigg