(born May 12, 1626, Ath, Belg.—died after 1701, Rome?, Italy) French missionary and explorer. A Franciscan, he traveled to Canada in 1675 with La Salle. They explored the Great Lakes region, founding Fort Crèvecoeur (near modern Peoria, Ill.) in 1680. When La Salle returned for supplies, Hennepin and others explored the upper Mississippi River. They were captured by Sioux Indians and taken to a site Hennepin named the Falls of St. Anthony (later Minneapolis); after four months they were rescued by Daniel DuLhut. Hennepin returned to France in 1682 and wrote an account of his journeys.
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Father Louis Hennepin, O.F.M. baptized Antoine, (12 May, 1626 – c. 1705) was a Catholic priest and missionary of the Franciscan Recollect order (French: Récollets) and an explorer of the interior of North America.
Hennepin was born in Ath, province of Hainaut, Belgium, but became French in 1659, when Béthune, the town where he lived, was captured by the army of Louis XIV of France.
At the request of Louis XIV the Récollets sent four missionaries to New France in May 1675, including Hennepin, accompanied by René Robert Cavelier, Sieur de la Salle. In 1678 Hennepin was ordered by his provincial superior to accompany La Salle on a voyage to explore the western part of New France. Hennepin was 39 when he sailed in 1679 with La Salle from Canada through the Great Lakes aboard Le Griffon to explore the unknown West. Local historians credit the Franciscan Recollect friar with being the first European to step ashore at the site of present-day Hannibal, Missouri. Two great waterfalls were brought to the world's attention by Louis Hennepin: Niagara Falls, with the most voluminous flow of any in North America, and the Saint Anthony Falls in what is now Minneapolis, the only waterfall on the Mississippi River.
Hennepin never returned to North America and died in Rome.
Most placed named after Hennepin are found in the United States:
The few places outside Hennepin are found in Canada, all in Niagara Falls, Ontario:
The truth of much of Hennepin's accounts has been called into question — or flatly denied — notably by the American historian Francis Parkman. In the words of the 1913 Catholic Encyclopedia:
Hennepin has been denounced by many historians and historical critics as an arrant falsifier. Certain writers have sought to repel this charge by claiming that the erroneous statements are in fact interpolations by other persons. The weight of the evidence is however adverse to such a theory.