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Today is August 19, 2025

Events in 1717

First Mississippi River Levee Built

January 1717

First Mississippi River Levee Built

In 1717, the first levee on the Mississippi River was constructed near New Orleans under the supervision of French engineer Pierre Le Blond de La Tour. This three-foot-high, one-mile-long structure marked the beginning of what would become one of North America's most extensive flood control systems.

Mississippi Company

September 6, 1717

Mississippi Company

A French colonial trading company founded by John Law in 1717, granted exclusive trading rights in Louisiana Territory by King Louis XV. It experienced rapid growth before collapsing in 1720 during the Mississippi Bubble crisis.

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