The First Fort Dearborn 1812 August 15, the Fort Dearborn Massacre occurred at 18th and Calumet. August 16, Fort Dearborn was destroyed by Indians.
Nothing remains of the original fort.
Destruction was by burning. 1816 August, the second Fort Dearborn was rebuilt and re-garrisoned. The Fort was re-garrisoned by order of August 19, 1828. Fort Dearborn was taken over by the Supt. Of Harbor Works and was used by various government departments.