Dover Castle siege, 1216, (c1990-2010)

Dover Castle siege, 1216, (c1990-2010). Reconstruction drawing of mining under the North Gate East tower. Commanding the shortest sea crossing between England and the Continent, Dover Castle was a vital strategic and communication lynch-pin in the empire of the Angevin kings of England. in 1216, The castle successfully resisted a major siege directed personally by Prince Louis of France during his near-successful invasion of England. He had some success breaching the walls, but was unable ultimately to take the castle. Artist Peter Dunn. (Photo by English Heritage/Heritage Images/Getty Images)