The Golden Gophers went into Columbus, Ohio on Oct. 19, 1940 and defeated Ohio State 13-7. This gave the Gophers a 3-2 lead in the series, and at that point, the fortunate athletes that the teams had not played more often were the Buckeyes.
Bernie Bierman's Gophers had been voted as national champions by varied outlets in 1934, 1935 and 1936. Ohio State was not on the schedule in any of those seasons. The Gophers were champs in that 8-0 season of 1940 and then again in 1941, when they didn't play Ohio State.
Squads were not traveling by chartered jet airplanes in the earlier decades of college football, and with Ohio State on the eastern edge and Minnesota at the northwestern point of the Big Ten, the schools did not get together often.
There were also eight-game schedules (with five or six conference games) before the mid-1940s. Add up travel time and availability of dates, and the Gophers and the Buckeyes saw one another occasionally.
The 10th team in the conference into the 1940s was the University of Chicago. In 1946, Chicago dropped athletics. Michigan State was voted in as Chicago's replacement in 1948, although it did not start playing a Big Ten football schedule until 1953.
So, there are eight opponents that have been staples in this conference, and here are the number of games vs. Ohio State entering this season (including the Buckeyes' advantage in the series):
Illinois-102 (69-30-3), Michigan-101 (50-47-4), Indiana-88 (75-9-4), Wisconsin-82 (59-18-5), Northwestern-76 (61-14-1), Iowa 65 (47-15-3), Purdue 56 (40-14-2) and Minnesota-52 (45-7).
As indicated here, the series has taken a strong turn toward Ohio State since those eight years before the Big War when Bierman and the Gophers were claiming five national championships.