Conflicts & Resolutions · Treaty

Webster–Ashburton Treaty

1842 · 19th century

The Webster–Ashburton Treaty, signed on 9 August 1842 by the US Secretary of State Daniel Webster and the British envoy Lord Ashburton, settled the disputed border between Maine and New Brunswick and other boundary questions between the United States and British North America. It ended the tensions of the bloodless Aroostook War by dividing the disputed territory. The treaty also provided for cooperation against the Atlantic slave trade.

Webster–Ashburton Treaty
Image: US Government · Public domain · Wikimedia Commons

Mentioned in 2 state histories

Colony of New BrunswickRepublic of Indian Stream

See also

Cite this entry
APA
The Epoch Institute. (2026). Webster–Ashburton Treaty. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/webster-ashburton-treaty
MLA
“Webster–Ashburton Treaty.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/webster-ashburton-treaty. Accessed .
Chicago
The Epoch Institute. “Webster–Ashburton Treaty.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/webster-ashburton-treaty.
Harvard
The Epoch Institute (2026) ‘Webster–Ashburton Treaty’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/webster-ashburton-treaty (Accessed: ).

Last reviewed October 2026Random entry ↻