Treaty of Fort Stanwix (1784)
The Treaty of Fort Stanwix was a treaty finalized on October 22, 1784, between the United States and Native Americans from the six nations of the Iroquois League. It was signed at Fort Stanwix, in present-day Rome, New York, and was the first of several treaties between Native Americans and the United States after the American victory in the Revolutionary War.
Source: Wikipedia — Treaty of Fort Stanwix (1784) (CC BY-SA 4.0)