Sieur de LaSalle


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Noun1.Sieur de LaSalle - French explorer who claimed Louisiana for France (1643-1687)Sieur de LaSalle - French explorer who claimed Louisiana for France (1643-1687)
References in periodicals archive ?
French explorer Henri de Tonti, a lieutenant of Sieur de LaSalle, founded the trading post "Poste de Arkansea" in 1686, the first semipermanent French settlement in the lower Mississippi River Valley.