These great American explorers were unbelievably successful in their journey across America and back again, but a lesser known fate (some tragic) befell them upon their return.
>>Sergeant Ordway, one of the original members of the corps, had helped organize the expedition’s first winter camp near St. Louis. Like the other sergeants, Ordway kept a journal, but he was the only one to record a daily entry. On September 21, 1806, as the corps reached St. Charles (in present-day Missouri), Ordway wrote: “Towards evening we arived at St. Charles fired three rounds and Camped at the lower end of the Town. the people of the Town gathered on the bank and could hardly believe that it was us for they had heard and had believed that we were all dead and were forgotton.”
More:
https://www.smithsonianmag.com/history/lewis-and-clark-the-journey-ends-110100664/