 The U.S. Congress passed the Militia Act of 1903, which organized the various state militias into the present National Guard system.The Kansas Army National Guard has been involved in the nation’s conflicts since the state’s inception as a territory.The Kansas Guard actively participated in the Civil War, 1861–1865; the Indian Wars, 1864–1870; Spanish–American War, 1898–1899; and the Pancho Villa Expedition of 1916; and the First World War, 1917–1919.