History of Chicago and south branches of the Chicago River, which flows through the city's downtown. The three white stripes represent the North, West and South sides of the city, Lake Michigan being the east side. The most famous and serious disaster was the Great Chicago Fire of 1871. On December 30, 1903 the "absolutely fireproof", five-week-old Iroquois Theater was engulfed by fire. The fire lasted less than thirty minutes; 602 people died as a result of being burned, asphyxiated, or trampled. The S.S. "Eastland" was a cruise ship based in Chicago and used for tours. On 24 July 1915—a calm, sunny day—the
In Old Chicago Catherine, not Molly. The O'Learys had two children, one son and one daughter. In the movie there are three sons. Her only son was named James Patrick O'Leary. The daughter was named Anna. Their father Patrick O'Leary did not die in 1854 as a result of an accident involving his horses. He died in 1894. Mrs O'Leary did not run her own "French Laundry" out of their house. The Mayor of Chicago in 1871 was Roswell B. Mason, not an O'Leary son. However, Mason was elected on a Reform ticket like the fictional Jack and took similar measures to deal