In 1718, Sweden's King Charles XII came up with a bold plan to transport twelve big warships, each weighing up to 30 tons, overland from Strömstad to Iddefjorden. This operation is known as Galärvegen or the "Galley Road." It was part of an attempt to surprise the Fredriksten Fortress at Halden, Norway. The fortress, a key military stronghold on the border, had successfully repelled previous Swedish attempts to capture it. By moving his ships over land, Charles XII hoped to bypass a blockade at the fjord's entrance and launch a surprise attack from the sea.The scale of this operation was...