Kansas City formed in 1868. It was first officially mentioned in October 1872. The Kansas-Missouri border area became the first battlefield in the conflict over slavery that led to the American Civil War. The first city election was held on October 22, 1872. It resulted in the election of Mayor James Boyle. The mayors of the city after its organization have been James Boyle, C. A. Eidemiller, A. S. Orbison, Eli Teed and Samuel McConnell. John Sheehan was appointed Marshal in 1875. He was also Chief of Police. He had the control over five policemen. In June 1880, the Governor of Kansas made the city of Kansas City a city of the second class with the Mayor Samuel McConnell present. James E. Porter was Mayor in 1910.