Fort Osage MO

Fort Osage was an early 19th-century factory trading post run by the United States Government in western Missouri on the American frontier; it was located in present-day Sibley, Missouri. The Treaty of Fort Clark, signed with certain members of the Osage Nation in 1808, called for the United States to establish Fort Osage as a trading post and to protec…
Fort Osage was an early 19th-century factory trading post run by the United States Government in western Missouri on the American frontier; it was located in present-day Sibley, Missouri. The Treaty of Fort Clark, signed with certain members of the Osage Nation in 1808, called for the United States to establish Fort Osage as a trading post and to protect the Osage from tribal enemies.
  • Location: Sibley, Missouri
  • Built: 1808
  • Designated NHLD: November 5, 1961
  • NRHP reference No.: 66000418
  • Added to NRHP: October 15, 1966
Data from: en.wikipedia.org