Here’s a look back at what happened in the Chicago area on Oct. 25, according to the Tribune’s archives.

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Weather records (from the National Weather Service, Chicago )

High temperature: 79 degrees (1963)

Low temperature: 14 degrees (1887)

Precipitation: 1.94 inches (1883)

Snowfall: 0.3 inches (1962)

1848: Pioneer became the first locomotive to operate in Chicago. It pulled a train on its inaugural run from a railway station near Canal and Kinzie streets on the Galena and Union Railroad that stretched as far as Des Plaines.

Chicago, the sin city

1910: The Chicago Vice Commission was created to take up “the big problem of raising the moral conditions of the city,” the Tribune reported.

1940: Col.

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