;Parties 1 Richardson was actually president pro tem of the
Minnesota Senate; became acting lieutenant governor when lieutenant governor Hjalmar Petersen became governor on the death of
Floyd B. Olson, but Richardson was never sworn in. 2 Wright was president pro tem of the Minnesota Senate and assumed the office of lieutenant governor in 1954 after Lieutenant Governor Ancher Nelsen resigned to become administrator of the
Rural Electric Administration. 3 As president of the Minnesota Senate, Olson assumed office of lieutenant governor when Rudy Perpich, then lieutenant governor, became governor on the resignation of
Wendell Anderson; Anderson arranged with Perpich to be appointed to the
United States Senate after the resignation of
Walter Mondale, who had been elected vice president. 4 As president of the Minnesota Senate, Fischbach became lieutenant governor following the resignation of Tina Smith. Smith was appointed by Governor
Mark Dayton to fill the United States Senate seat vacated by
Al Franken. Fischbach resigned from the state Senate and took the oath of office for lieutenant governor on May 25, 2018. ==Note on Minnesota political parties names==