(New Jersey)
The Wallace House is a Georgian style historic house, which served as the headquarters of General George Washington during the second Middlebrook encampment (1778–79), located at 38 Washington Place, Somerville, Somerset County, New Jersey, United States. It was added to the National Register of Historic Places on December 2, 1970. (Ref: https://en.wikipedia.org/wiki/Wallace_House_(Somerville%2C_New_Jersey))