No one really knows who started the fire,but i heard that mrs.ol'eary started it by lighting a lantern & a cow knocked it over.
The Chicago Fire started on October 8, 1871.
The origin of the Great Chicago Fire of 1871 remains unknown.
Check out this site: http://www.chicagohs.org/fire/
The training academy for the Chicago Fire Department at Dekoven and Jefferson streets.
The cause of the Great Chicago Fire remains unknown, but is was not started by Catherine O'Leary's cow.
Mrs. O'Leary owned the cow near where the fire started. There was no proof that the cow started the fire.
The exact origin of the Great Chicago Fire is unknown, but it was not Catherine O'Leary and it was not her cow.
Mrs O'Leary's cow
No. We do not know for sure who and how someone started the great fire of Chicago in 1871 and we probably never will since there are no eye-witnesses.
Paper Lace
The traditional account of the Great Chicago Fire of 1871 says it was started by a cow owned by Patrick and Catherine O'Leary kicked over a lantern in a barn and started the fire.
the great Chicago fire was first started on a Sunday evening between 9 and 10 on october 8 1871.