Treaty of Prairie du Chien

This Day in Founding Fathers History - Where we bring you important dates in the lives and history of the Founding Generation. In 1806 on this day, Zebulon Pike and his crew of “two lieutenants, one surgeon, one sergeant, two corporals, 16 privates, and one interpreter” embarked on his expedition, the Pike Expedition, to explore and document the southern portion of the Louisiana Territory.