Hubert Humphrey helped found a political party.
Hubert Humphrey . Humphrey helped found the Minnesota Democratic -- Farmer -- Labor Party ( DFL ) in 1944 , and in 1945 , became the DFL candidate for mayor of Minneapolis for a second time , winning with 61 % of the vote . Humphrey served as mayor from 1945 to 1948 , he was reelected and became the co-founder of the liberal anti-communist group Americans for Democratic Action in 1947 .