About: History of St. Louis (1804–1865)

The history of St. Louis, Missouri from 1804 to 1865 included the creation of St. Louis as the territorial capital of the Louisiana Territory, a brief period of growth until the Panic of 1819 and subsequent depression, rapid diversification of industry after the introduction of the steamboat and the return of prosperity, and rising tensions about the issues of immigration and slavery. St. Louis also played a role in the American Civil War.