* It is said by some that Mrs. O'Leary's cow kicked over a kerosene lantern. * Arson investigators today doubt that source of ignition. * The cause of the fire remains undetermined.
The origin of the Great Chicago Fire of 1871 remains unknown.
The Chicago Fire started on October 8, 1871.
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.
the great Chicago fire was first started on a Sunday evening between 9 and 10 on october 8 1871.
The cause of the Great Chicago Fire remains unknown, but is was not started by Catherine O'Leary's cow.
Paper Lace
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 owned the cow near where the fire started. There was no proof that the cow started the fire.
Legend insists that it was a cow that kicked over a lantern.
So Chicago never forgets the "Great" fire, the Fire Department Academy was built on the site.
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.