America’s Most Notorious Fires: The Deadliest Blazes in American History

It had taken about 40 years for Chicago to grow from a small settlement of about 300 people into a thriving metropolis with a population of 300,000, but in just two days in 1871, much of that progress was burned to the ground. In arguably the most famous fire in American history, a blaze in the southwestern section of Chicago began to burn out of control on the night of October 8, 1871. Thanks to The Chicago Tribune, the fire has been apocryphally credited to a cow kicking over a lantern in Mrs. Catherine O’Leary’s barn, and though that was not true, the rumor dogged Mrs. O’Leary to the grave. Of course, the cause of the fire didn’t matter terribly much to the people who lost their lives or their property in the blaze. Thanks to dry conditions, wind, and wooden buildings, firefighters were never actually able to stop the fire, which burned itself out only after it spent nearly two whole days incinerating several square miles of Chicago.

Overshadowed by the much better covered and publicized Great Chicago Fire that occurred on the very same evening, the fire that started in the Wisconsin logging town of Peshtigo generated a firestorm unlike anything in American history. In addition to destroying a wide swath of land, it killed at least 1,500 people and possibly as many as 2,500, several times more than the number of casualties in Chicago.

On April 18, 1906, most of the residents of the city of San Francisco were sound asleep when the ground started to shake around 5:15 a.m., but what started as fairly soft tremors turned into a violent shaking in all directions. Unfortunately for San Franciscans, the worst was yet to come. During the earthquake, the city’s gas mains and water mains were ruptured, which had the effects of starting a number of fires and preventing the residents from being equipped to fight them.

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Lydbog: 17. februar 2026