What caused the great Chicago fire

The causes of Great Chicago fire are discussed below.

Explanation:

The Great Chicago fire occurred in October 1871. almost 300 people killed due to this fire. Because of The Great Chicago fire, almost three miles of city was destroyed in just two days, almost 100,000 people lost their homes.

Factors caused The Great Chicago fire is

Extremely hot and dry summer. Chicago consisted of over 500 miles of wooden sidewalks.

i believe a was dry day in Chicago and one of the farmers barns burst in to flame cause of a gas lamp