March 30, 1856 The Chicago Burlington & Quincy and the Galena & Chicago Union Railroad (later C&NW) begin using the Illinois Central Terminal in Chicago.
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March 30, 1959 The New York Central agrees to pay the Illinois Central $5 million (2019: $44 million) for breaching its contract to have Michigan Central trains terminate at Central Station in Chicago. NYC has moved them to LaSalle Street station.
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Mark Tomlonson