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Frontier warfare context near the claimed cession period

When
1779
Where
Haudenosaunee country, western New York
Part of
New York Cession of Western Territory

The Sullivan Expedition of 1779 devastated Haudenosaunee villages in retaliation for Brant-led frontier attacks, shaping the wartime western New York setting.

In retaliation for frontier attacks led by Joseph Brant and Loyalist Mohawk forces, the 1779 Sullivan Expedition destroyed nearly fifty Haudenosaunee villages along with adjacent croplands and winter stores, forcing many refugees to British-held Niagara. This is the only sourced wartime western-territory context near 1780; it does not document any legislative cession.

Sources

  1. New York (state) Wikipedia, revision of 2026-10-01

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.