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D1pgP TIL in the early 1920s, the KKK was very active in Chicago with 50,000 members in the city, the largest of any metropolitan area in the U.S. The group was driven from the city in 1925, when a Catholic organization, American Unity League, printed names, addresses, and occupations of Chicago Klansmen.
OXEe TIL: In 1919, Chicago Irish gangs in blackface attacked and burned Polish neighborhoods because the Poles weren’t racist enough against blacks.
QjB6 TIL in the mid 19th century, Chicago was in desperate need of a sewage system, but instead of digging down to install the sewers, they raised the entire city up 4 feet.