AmericasEvent

Great St. Louis Fire, May 1849

When
1849
Where
Business District
Episodes
1

The Great St. Louis Fire occurred on May 17, 1849, devastating the city's business district. Originating from a moored steamboat on the Mississippi River, the blaze rapidly spread through wooden structures. The event followed a period of significant population growth and cholera outbreaks in St. Louis, Missouri.

Episodes

  1. 17 May 1849 · Business DistrictGreat St. Louis Fire

    A devastating fire destroyed nearly all of St. Louis's business district on May 17, 1849, originating from a steamboat on the Mississippi River.

Background and detail

Background. St. Louis, an independent city in Missouri, experienced rapid demographic expansion between 1840 and 1860, growing from under 20,000 to over 160,000 inhabitants. In May 1849, the city faced a severe public health crisis, with reports of 181 deaths from cholera. This context preceded the catastrophic fire that destroyed nearly all of the business district.

Fire Origin. The disaster began on May 17, 1849, at 9:00 p.m. when a fire alarm sounded. The ignition source was a moored paddle-wheeled steamboat named White Cloud, located on the Mississippi River at the foot of Cherry Street. The fire quickly spread through the surrounding wooden buildings, causing widespread destruction in the business district.

Context. By 1849, the shipping industry was transitioning from sail to steam power and from wood to metal construction. Steamboats were common on the Mississippi River, with more than 1,000 major accidents recorded on the river and its tributaries between 1811 and 1851, and Charles Dickens remarked in 1842 that western steamboats 'usually blow up one or two a week in the season.'

Sources

  1. St. Louis Fire of 1849 Wikipedia, revision of 2026-07-16
  2. St. Louis Wikipedia, revision of 2026-09-27
  3. Steamboat Wikipedia, revision of 2026-09-22

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.