Northern States League was an Independent League that was based in Wisconsin. 1934 Unknown teams 1935 Unknown teams 1936 Green Bay, Kaukauna, Manitowoc Menasha, Neenah and Two Rivers 1937 Du Pere, Kimberly, Little Chute and Oshkosh enter the league and Menasha and Neenah left the league 1938 Clintonville, New London and Seymour enter the league and Du Pere, Little Chute and Oshkosh left the league 1939 Kaukauna and Kimberly left the League 1947 Ocotno enter the League and Oshkosh has left the league