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Formation of the New England Confederation

When
1643
Where
New England colonies
Episodes
1

In May 1643, Massachusetts Bay, Plymouth, Saybrook, and New Haven formed a confederal alliance. The treaty, agreed on May 19, aimed to unite Puritan colonies for church support and defense against Native Americans and the Dutch.

Episodes

  1. 19 May 1643 · New England coloniesTreaty Agreement

    Massachusetts General Court and commissioners from Saybrook and New Haven agreed to the confederation treaty.

Background and detail

Formation of the Alliance. The United Colonies of New England was established in May 1643 during the English Civil War. It united the colonies of Massachusetts Bay, Plymouth, Saybrook, and New Haven into a confederal structure. The Massachusetts General Court and commissioners from Saybrook and New Haven formally agreed to the treaty on May 19, 1643.

Treaty Designation. The 1643 treaty was formally titled "The Articles of Confederation between the Plantations under the Government of the Massachusetts, the Plantations under the Government of New Plymouth, the Plantations under the Government of Connecticut, and the Government of New Haven with the Plantations in Combination therewith."

People involved

Sources

  1. New England Confederation Wikipedia, revision of 2026-08-12

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.