PBS
Pbs: Lewis and Clark: Teton Sioux Indians
A look at the hostile encounter between the Teton Sioux and the men of the Corps of Discovery on their voyage up the Missouri River in 1804. From PBS.
Other
Iranologie: Medes, the First Iranian Kingdom
Read about the early history of the Persian empire. The Medes' consolidation power, the economy, and religion of the people are all discussed.