| City of Chicago grants Chicago & Western Indiana Railroad permission to build a terminal that is to become Dearborn Station. Commissioned to design the Station was architect Cyrus L.W. Eidlitz.
Dearborn Station completed and opened in May. Train shed completed and opened in October. Cost of Building is estimated at $400,000.00 - $500,000.00. Director of Construction identified as J. T. Alton.
The Atchison Topeka & Sante Fe become tenants.
Expansion of the facility in preparation for the Columbian Exposition. Changes were made to the tracks, switches, baggage handling areas and ticket offices to accommodate the anticipated volume of passengers and cargo.
Electric plant was installed to replace the gas lighting system.
Dearborn Station now serving 25 railway lines, 122 trains, and approximately 17,000 passengers daily.
Dearborn Station's Main Concourse enclosed and heated, creating an additional waiting area.
Roof, upper floor and attic of the Station completey destroyed by fire started in the Tower. Santa Fe architects and engineers rapidly reconstruct the damaged floors.
Stores and tenement buildings on the West side of State Street demolished to make way for the timber canopy and platform to be used by the U.S. Mail Service.
Old concourse of the Main Station is removed and a new waiting room is constructed, including the addition of a new, heated concourse south of the waiting room.
Further expansion of the mail handling facilities are completed.
Plans to sabotage the expanding railway facilities by South Loop businessmen, by tearing up portions of the tracks, are foiled by a continuously moving train passing back and forth over the designated portions of track throughout the day and night.
City of Chicago considers condemning the Station for street construction. Objections from main railroads successfully stop this program.
Entrance remodeled at the ground level retaining original building fabric.
Passenger Railroad Industry diminishes due to expansion of the U.S. Expressway System and the Airline Industry.
Santa Fe Railroad eliminates three of its seven daily departure routes from Dearborn Station. Four of the five other railroads serving Dearborn Station also end most of their daily runs.
Dearborn Station closes to passenger service, building is used mostly as offices for Railroad.
Dearborn Station placed on the National Registry of Historic Places. Amid much controversy, train sheds are demolished by the Station's ownership.
Dearborn Station designated as a Chicago Historic Landmark.
After more than a decade of decay and abandonment, renovation of the Dearborn Station begins.
The Dearborn Station reopens as a combined office/retail facility and urban marketplace with over 120,000 square feet of leasable space. In all its glory Dearborn Station once again emerges as the focal point for Chicago's South Loop Neighborhood and Chicago's Historical Printer's Row District.