"Fort de Chartres" - Prairie du Rocher, IL - Historic Forts on Waymarking.com

For almost a century, beginning in 1673 when Louis Joliet and Jacques Marquette explored the Mississippi River, France claimed the Illinois Country. In 1718 the French reorganized the administration of their American possessions and removed the Illinois Country from Canadian jurisdiction and made it part of Louisiana. The Government of this vast territory was located in New Orleans and turned over to the Company of the Indies, a commercial enterprise chartered by King Louis XV. In December of 1718 a contingent of soldiers, officials and workmen were sent north to establish a civil government in the region. A wooden fort was soon constructed eighteen miles north of the village of Kaskaskia from which the civil authority would operate and whose military presence it was hoped would pacify the Fox Tribe.
This wooden stockade was surrounded by a dry moat held several interior buildings including a storehouse and a counting house used by the Indies Company. The stockade, named Fort de Chartres in honor of Louis duc de Chartres, son of the regent of France, quickly deteriorated due to frequent flooding. Work on a larger fort, located farther inland, began around 1725. By 1731 the Company of the Indies went out of business due to bad management, poor relations with the local Native Americans, and the failure to discover any gold or other precious metals. In January of 1731 the company returned control of Louisiana back to the king. In 1747, with the second fort in considerable disrepair, the garrison relocated to nearby Kaskaskia.
During the 1730's the French leaders began discussing building a stone fort (outline left) to protect their interests in the region. Though no precious metals were found, profitable lead deposits had been found on the west bank of the Mississippi near Ste. Genevieve and the rich bottom lands yielded substantial crops which fed New Orleans, St. Louis, and the rest of the territory. Construction of the new fort was slow due to dissension on where the fort was to be located. Construction finally began in the 1750's and although the fort was operational by 1754, additions and improvements continued until 1760.
In 1763 France surrendered the Illinois Country along with most of its North American possessions to Great Britain when it signed the Treaty of Paris that ended the Seven Years War. British troops of the 42nd Royal Highland Regiment took possession of Fort de Chartres on October 10, 1765. The British did little with the newly renamed Fort Cavendish although its engineers attempted in vain to control the erosion caused by the Mississippi. Eventually the British concluded that the fort had little value and it was abandoned in 1771. A year later the south wall and bastions collapsed into the Mississippi River. Continued flooding, erosion and decay caused the fort to slowly disappear so that by 1900 the only remnant of the fort that existed above ground was the powder magazine considered by many to be the oldest building in Illinois.

The year the "Fort" was constructed or started.: 1720 Name of "Country" or "Nation" that constructed this "Fort": France Was this "Fort" involved in any armed conflicts?: No it wasn't What was the primary purpose of this "Historic Fort"?: Used for defence of a border or land claim. Current condition: Partial reconstruction This site is administered by ----: Illinois Historic Preservation Agency If admission is charged -: 0.00 (listed in local currency) Open to the public?: Open or unrestricted access. Official or advertised web-page: [Web Link] Link to web-site that best describes this "Historic Fort": [Web Link] Link if this "Fort" is registered on your Countries/ State "Registry of Historical Sites or Buildi: [Web Link]

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Date Logged Log User Rating   09/16/2011 adgorn visited it 05/03/2008 paulspaper visited it

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