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On the evening of October 8, 1871, just after nine o'clock, a fire broke out in the barn behind the home of Patrick and Catherine O'Leary at 13 DeKoven Street. How the fire started is still unknown today, but an O'Leary cow often gets the credit. Firefighters were initially sent to the wrong neighborhood so when they finally arrived at the O'Leary's, they found the fire raging out of control. The blaze quickly spread, burning for two days, and only dying out once rain began to fall. At least 300 people were dead, 100, 000 people were homeless, and $200 million worth of property was destroyed. The entire central business district of Chicago was leveled. The fire was one of the most spectacular events of the nineteenth century, and it is recognized as a major milestone in the city's history.