Vincennes, Indiana is steeped in Indiana history. The French established a trading post where the Buffalo Trace crossed the Wabash River in 1732. A Visit to Vincennes, Indiana provides the visitor to Vincennes a convenient tourism guide to the history and attractions of Vincennes, Indiana. The city continues to serve as the county seat of Knox County, Indiana with many things to see and do. Enjoy a road trip to Vincennes to learn its fascinating history.