Question: What era was a well-known American fur trader and politician alive, who's mother was Jane Fisher, who married Joe Rolette, Sr, that lasted from the Louisiana Purchase in 1803 to Minnesota's achieving statehood in 1858?
Sentence (from "Territorial era of Minnesota"): The territorial era of Minnesota lasted from the Louisiana Purchase in 1803 to Minnesota's achieving statehood in 1858.
Relevant evidence: Yes