由於Dover鄰近法國,所以是二戰時的軍事要塞。Winston Churchill曾說過無論受到怎樣的攻擊亦要守住Dover 海岸線。
“We must insist upon maintaining superior artillery positions on the Dover promontory no matter what form of attack they are exposed to. We must fight for command of the Strait”. (Speech made by Churchill in 1940.)