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1924-Elected president of the Hamburg Athletic Club.
Elected president of the Hamburg Athletic Club. -
1930- Became deputy county treasurer under Joseph McDonough.
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1933 Obtained law degree from DePaul University. Later, entered into law partnership with William Lynch. Law firm of Daley & Lynch existed until 1955.
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1936- Elected State Representative for Illinois on write-in Republican ballot. After election, he rejoined Democratic Party.
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1936- Appointed Chief Deputy County Comptroller.
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1938- Elected State Senator for Illinois as a Democrat.
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1941- Served as Senate Minority Leader, the youngest party leader in Illinois Senate history.
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1946 Unsuccessful run for Cook county Sheriff against Elmer Michael Walsh.
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1947- Became ward committeeman for 11th Ward, replacing Hugh B. Connelly.
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1947- Appointed State Director of Revenue by Governor Adlai Stevenson, working out of the State of Illinois building in downtown Chicago.
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1950 Appointed to fill vacant Cook County Clerk position.
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1950- Elected Cook County Clerk; 1954 re-elected.
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1953 Became Chairman of the Cook County Democratic Central Committee, replacing Joseph Gill. Served until 1976.
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1955- Elected mayor after defeating Benjamin Adamowski and incumbent Mayor Martin Kennelly in the primary and Republican Robert E. Merriam in the general election.