First opened in 1919, the Museum is owned and operated by The National Society of The Colonial Dames of America in The State of Connecticut and is accredited by the American Association of Museums. George Washington and French General Rochambeau met at the Webb House in May 1781 to plan the campaign which led to the defeat of the British in Yorktown, Virginia. It was later owned by Wallace Nutting. The Deane House, circa 1770, was built for Silas Deane, diplomat to France during the American Revolution. Stevens House depicts the life of a middle class family in the 1820s and 30s. The Buttolph-Williams House demonstrates Puritan life in New England in the 17th century.