Did Mrs. O'Leary's Cow really start the Great Chicago Fire on October 8, 1871?

Fire Prevention Week is held to Commemorate the Great Chicago Fire

Each year, fire departments and fire service organizations all over the country commemorate the Great Chicago Fire of 1871.  This week long event is held on the week containing October 9th of each year.  Learn more about this event by viewing the following links:

 

National Fire Protection Association - Fire Prevention Week