Pedzisa mutsara unotevera: Nzvimbo dzakakwirira dzokuMadokero dzeDover ndedzimwe dzokuvakisa dzinoshamisa zvikurusa muBritain. Anosanganisira nhevedzano yenhare, nzvimbo dzakasimba uye migero, yakagadzirirwa kudzivirira United Kingdom pakurwiswa. Zvakagadzirwa kuti zviwedzere dziviriro dzaivapo uye kudzivirira chiteshi chinokosha cheDover pakurwiswa kwose kunobva mugungwa nokugungwa. Kutanga kupiwa mabasa enyika muna 1779 mukurwisana ne
Nokuda kwekurwiswa kwakarongwa gore iroro, nzvimbo yakakwirira kumadokero kweDover, England, yava kunzi Dover Western Heights, yakasimbiswa zvakafanira muna 1804 apo Lieutenant-Colonel William Twiss akarayirwa kuti aite zvemazuva ano zvekuzvidzivirira. Ikoku kwakanga kuri rutivi rwepurogiramu huru yokusimbisa mukupindura kurwiswa kwakarongwa kwaNapoleon kweUnited Kingdom. Kuti abatsire nokufamba kwemauto pakati peDover Castle nemaguta ekudzivirira Twiss akaita nyaya yake yekuvaka Grand Shaft mumupata: