Great Fires of 1871

The Great Fires of 1871 were a series of conflagrations that took place throughout the final days of September and first weeks of October 1871 in the United States, primarily targeting the Midwestern United States. These fires include the Great Chicago Fire, Peshtigo Fire, and Great Michigan Fire. In total, the fires burnt more than 3,000,000 acres (1,200,000 ha) of land and killed thousands.^[1]

The summer of 1871 saw a prolonged drought. A report from the National Weather Service in Chicago stated that "leaves had started dropping as early as July." Only 134 mm of rain had fallen in Chicago compared to the average of more than 230 mm. Lansing, Michigan reported 70% of the average and Thunder Bay, Michigan reported just 64%.^{[2][better source needed]} On the first week of October 1871 a large cold front had moved in creating strong south-easternly winds.^[3] The first week of October also had "tinder dry" conditions, perfect for fires.^{[citation needed]}

The Peshtigo Fire occurred on October 8th 1871 in Wisconsin. It is considered among the deadliest fires in recorded history,^[4] The fire was said to have also been started due to slash and burn methods and grown by the winds.^[5] Peter Pernin (an eyewitness) wrote "When turning my gaze from the river I chanced to look either to the right or left, before me or upwards, I saw nothing but flames."^[6] In total the fire spanned across 6 counties and 1.2-1.5 million acres,^[7] killed 1,200 to 1,500 people, and damaged a total of 16 towns. ^[8] The only structures that remained in Peshtigo was a brick kiln and a house constructed of new wood.^[9] Today there is a museum and cemetery to commemorate the fire. ^[10]

Another fire burned in the lower half of the Door Peninsula. A misconception is that the Peshtigo fire "jumped" across the bay to the door peninsula, however these were separate fires. The fire started south of New Franken and spread due to the wind. The fire burned the towns of Union, Brussels and Forestville. The fire also burnt the town of Williamsonville (located in modern-day Gardner) which left only 17 alive from the population of 77. The town did not rebuild.^[11] The fire spanned from its starting point to south of Sturgeon Bay and an estimated 7,500 people were left homeless due to the fire.^[12]

Illinois suffered the most well-known fire in American history, the Great Chicago Fire. The fire broke out at around 8:30 PM on October 8th near or in a barn belonging to the O'Leary family.^[13] The cause of the fire is not confirmed, a common tale is that Mrs. O'Leary's Cow knocked over a lantern in the barn starting the fire, however this has been not confirmed. The fire quickly spread due to the strong winds mentioned previously. Another contributing factor of the fire's growth was that the fire had created a fire whirl which flung burning debris further.^[14] The fire eventually stopped due to burning itself out and rain that started on the 9th night. The fire killed around 300 people, burned 2,112 acres and costed $222 million. The fire would cause Chicago and many more cities to create regulations to help prevent fires from breaking out and spreading as far.^{[citation needed]}

On the same day of the Great Chicago Fire, a fire broke out in Urbana. It was caused by children playing with matches in an alley. It burned a few buildings.^[15]

The first of the great fires, the Great Prairie Fire, started in Minnesota on the October 5th. Ottawa Daily Citizen reported "A conflagration has been raging on the prairie and in the big woods west since Friday last."^[16] This shows the fire started around September 29th. The fire's cause is unknown, but it began around Breckenridge and quickly spread due to strong winds towards the "Big Woods" region.^[17] By October 6th the fire had reached as far south as the Iowa border, as far east as the Minnesota River.^[18] At least 2 lives were lost.^[19]

Michigan saw many fires spread across the whole state. These fires were said to be caused by land clearing fires that grew out of control due to the "slash" that laid on the ground due to heavy logging. The fire also grew due to the strong winds. The cities of Holland and Manistee were completely destroyed and other cities such as Alpena and Port Huron (in the Port Huron Fire) were damaged. The city and county of Menominee was damaged in the Peshtigo Fire. Overall the fires burnt around 2.5 million acres. ^[20]

On October 12th a fire broke out in Windsor, Ontario, caused by an overheated iron. The fire quickly ravaged most of the wood buildings in the commercial district. There were no deaths, but 100 buildings were destroyed.^[21] Many of the citizens rebuilt their houses out of brick to prevent future fires.^{[22][better source needed]}

Kansas experienced multiple prairie fires including one "about 15 miles up Soldier Creek", one "from Osage City to Dragoon Creek, a distance of six miles".^[23], another "at the head of Mulberry, Chapman, and the east branch of Pipe creeks,"^[24] and one north of Thayer.^{[citation needed]}

Nebraska also experienced multiple prairie fires near Covington, Fremont, and North Bend.^[25][26][27]

Fires along the Toledo and Wabash Railway burnt near cities such as Antwerp and New Haven.^[28]

On October 5th Iowa suffered a fire in Burlington.^[29]

Yankton, South Dakota suffered a fire on October 5th.^[30]

Some historians suspect many additional fires may have also occurred. Professor Increase A. Lapham wrote a report to the Chief Signal Officer saying "The work of extending the prairie border was exhibited in the autumn of 1871 upon the grandest scale. Fires have swept more or less completely along the whole northern frontier, from the Rocky Mountains through Dakota, Minnesota, Wisconsin, and Michigan, and even into New York and Pennsylvania."^[31] Another source states that the fires "extended to Utah, Nevada, California, and Oregon in the west, and to Virginia, Pennsylvania, and eastern New York."^[17]

The concurrence of these fires raised many theories about what happened to cause them. One popular hypothesis arose only 2 years after the fires. The theory states that fragments of Biela's Comet which split into 2 around 1845, impacted the grounds of the fires and lit them ablaze. Another theory states that lightning caused the fires.^[32] There are also many more theories on what caused the Great Chicago Fire specifically. For example, one theory states that a group of gambling men started the fire. The fires could also caused by controlled burns and railroad sparks that grew out of control due to the cold front.^{[citation needed]}

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