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September 3, 1783Reputable sourceWell documented

The Treaty of Paris

On the timeline · around September 3, 1783 · The Treaty of Paris1782178317841785

What happened

Negotiated by John Adams, Benjamin Franklin, and John Jay, the Treaty of Paris was signed on 3 September 1783. In it Britain formally recognized the independence of the United States and agreed to generous boundaries stretching west to the Mississippi River.

Why it matters

The treaty ended the Revolutionary War and confirmed the United States as a sovereign nation with room to expand.

Sources