Vincennes is a city in and the county seat of Knox County, Indiana, United States. It is located on the Wabash River in the southwestern part of the state. The population was 18,701 at the 2000 census. Founded in 1732, Vincennes is the oldest continually inhabited European settlement in Indiana and one of the oldest settlements west of the Appalachians.
Inhabited for thousands of years by different cultures of indigenous peoples, in historic times, native groups were the Shawnee, Wabash, Miami tribe, among those in the Wabash confederacy.
The first European settlers were Canadians, when Vincennes was founded as part of the French colony of Louisiana. After the French and Indian War (part of the Seven Years War, in defeat France ceded territory east of the Mississippi River to England. The area was under British rule associated with the colony of Canada until after the American Revolution. It then became part of the Illinois Country of the Colony and Dominion of Virginia. Next part of Knox County in the Northwest Territory, it was later included in the Indiana Territory. Vincennes served as capital of the Indiana Territory from 1800 until 1813, when the government was moved to Corydon.