Caption: Central part of Concord, Massachusetts in 1840--1844.

The invasion referred to is part of the Battles of Lexington and Concord, 1775 Apr19. Burying-Ground Hill is NOT Sleepy Hollow Cemetery, Concord Massachusetts.

Yours truly used to live about 15 miles Concord, Massachusetts in Cambridge, Massachusetts when working at Harvard-Smithsonian Center for Astrophysics (CfA) in 1991--1993. But yours truly was never in Concord as far as he can recall.

Good old Massachusetts, good old old Boston.

Credit/Permission: J.W. Barber & J. Downes, 1840--1844 2005 (uploaded to Wikimedia Commons by User:Kmm3198, 2014) / Public domain.
Image link: Wikimedia Commons: File:Central_part_of_Concord,_Mass.jpg.
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File: Art_c file: concord_massachusetts.html.