Explorer Louis Jolliet: Iowa Time Machine September 21, 1645

Iowa Time Machine ⏰: On September 21, 1645, French explorer and fur trader Louis Jolliet was born. Jolliet matters in Iowa history because the fur trader later led the 1673 French expedition that brought Europeans into sustained contact with the Mississippi River valley along Iowa’s eastern edge.

Jolliet grew up in New France, the French colony centered on the St. Lawrence River, at a time when imperial officials, missionaries, and fur traders depended on relationships with Native communities for geographic knowledge and commerce. Baptized at Quebec on September 21, 1645, he received a Jesuit education and briefly prepared for the priesthood before entering the fur trade. That career taught him the river travel, negotiation, and backcountry skills needed for exploration.

In 1672, officials chose Jolliet to investigate the great river known through Indigenous knowledge as the Mississippi and determine whether it led toward the Pacific or the Gulf of Mexico. Jesuit missionary Jacques Marquette joined him, bringing linguistic knowledge and religious goals to an undertaking driven by French commercial and imperial ambitions.

In the middle of May 1673, Jolliet, Marquette, and five companions set out from the Great Lakes in two canoes. They traveled along Lake Michigan, moved up the Fox River, carried their canoes across the portage to the Wisconsin River, and reached the Mississippi on June 15. As the expedition headed south, it entered a landscape already inhabited and shaped by Native peoples. Near the mouth of the Iowa River, the French encountered a village of Peoria people, part of the Illinois Confederation. The travelers continued to the Arkansas River region, where Indigenous information and evidence of Spanish trade convinced them that the Mississippi flowed toward the Gulf of Mexico. #Iowa #OTD #History #FurTrade #Exploration