On July 12, 1808 this large city's Missouri Gazette became the first newspaper published west of the Mississippi
The first newspaper established west of the Appalachian Mountains 
was the... [DOC] [TLE] Charless, Joseph - The State Historical Society of Missouri [PAR] ... the St. Louis Missouri Gazette, the first newspaper published west of the 
Mississippi River ... Newspapers also became an important part of the historical 
record.