The '''cog''' was the general trading vessel of the [[Middle Ages]] in north-west [[Europe]]. The first mention of a cog (''kogge'') occurs in a [[Dutch]] inventory in 948. Until overtaken in popularity in the 15th century by the ''[[hulk]]'' most of the deep-water carriage of freight off the [[Atlantic]] and [[Baltic]] coasts from [[Scandinavia]] to [[Spain]] and across to the [[British Isles]] was done in cogs. | The '''cog''' was the general trading vessel of the [[Middle Ages]] in north-west [[Europe]]. The first mention of a cog (''kogge'') occurs in a [[Dutch]] inventory in 948. Until overtaken in popularity in the 15th century by the ''[[hulk]]'' most of the deep-water carriage of freight off the [[Atlantic]] and [[Baltic]] coasts from [[Scandinavia]] to [[Spain]] and across to the [[British Isles]] was done in cogs. |