They were the vessel of choice of the [[Hanseatic League]] traders until, gradually, during the fourteenth and into the fifteenth century they were replaced by the [[hulk]]. Much of what we know of the vessel’s construction comes from one of these vessels - the “Bremen Cog”, parts of which were recovered from the sludge of the Weser River at Bemen, Germany, during the 1960s. | They were the vessel of choice of the [[Hanseatic League]] traders until, gradually, during the fourteenth and into the fifteenth century they were replaced by the [[hulk]]. Much of what we know of the vessel’s construction comes from one of these vessels - the “Bremen Cog”, parts of which were recovered from the sludge of the Weser River at Bemen, Germany, during the 1960s. |