Walter S. Gurnee is the oldest living former Chicago mayor. He was 90 when he died
William Emmett Dever is thought to be one of the best mayors of Chicago because he helped clean the city
Harold Washington is considered to be another great Chicago mayor. He was also the first African-American Chicago mayor
The mayoral term in Chicago was one year from 1837 through 1863, when it was increased to two years. In 1907 it was again lengthened to four years, the present duration.
Until 1861, municipal elections were held in March. In that year, legislation changed them to April. In 1869, however, election time was changed to November, and terms expiring in April of that year were lengthened.