The Northern League began as a Class C circuit in 1902-03. It went up and down the classification ladde
several times during its tenure, before it closed in 1971.
Northern (C 1902-03, 1913–16, 1941–42, 1946–62) '(D 1904-05, 1908, 1917, 1933–40) '(A 1963-71)
Aberdeen, SD: 1946-71
“Bismarck-Mandan”, ND: 1962-64, 1966
Brainerd, MN: 1935
“Brainerd-Little Falls”, MN: 1934
“Brainerd-Little Falls”/Brandon, MN/Man: 1933
Brandon, Man: 1908
Cavalier, ND: 1902
Crookston, MN: 1902-05, 1933–41
Devil's Lake, ND: 1902
Duluth, MN: 1903-05, 1908, 1913–16, 1934–42, 1946–55
“Duluth-Superior”, MN/WI: 1956-70
East Grand Forks, MN: 1933-35
Eau Claire, WI: 1933-42, 1946–62
Fargo, ND: 1902-05, 1908
“Fargo-Moorhead”, ND/MN: 1914-17, 1933–42, 1946–60
Ft William, Ont: 1914
“Ft William-Port Arthur”, Ont: 1915-16
Grand Forks, ND: 1902-05, 1913–15, 1938–42, 1946-64
Huron, SD: 1965-70
Jamestown, ND: 1936-37
Mankato, MN: 1967-68
Minneapolis, MN: 1908
Minot, ND: 1917, 1958–60, 1962
St Boniface, Man: 1915
St Cloud, MN: 1946-71
“St Cloud-Brainerd”/Superior, MN/WI: 1905
St Paul/LaCrosse, MN/WI: 1913
Sioux Falls, SD: 1942, 1946–53, 1966–71
Superior, WI: 1903-04, 1908, 1913–16, 1933-55
Virginia, MN: 1913-16
Watertown, SD: 1970-71
Wausau, WI: 1936-42
Winnipeg, Man: 1902-05, 1908, 1913–17, 1933–42, 1962–64, 1969
Winona, MN: 1913-14