Chicago has been run by Democrats since the 38th mayor, Anton Cermak, was sworn in 79 years ago.
Cermak beat Chicago's last Republican mayor, Big Bill Thompson, by 191,916 votes on April 7, 1931. In Chicago: A Biography, Dominic A. Pacyga writes "Cermak took office within 48 hours and got to work."
Cermak took over a political machine that Chicago author Richard Lindberg in The Gambler King of Clark Street: Michael C. McDonald and the Rise of Chicago's Democratic Machine tells us was created by McDonald when he fused Chicago's criminal underworld with the city's political and commercial spheres.
The only Irish ward that was among those delivering the largest majorities for Czech-born Cermak, Pacyga writes, was Joe McDonough's in Bridgeport "where the alderman's aide was Richard J. Daley, a young and ambitious Democrat who worked hard for the organization as he made his way through law school at night."
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