Everything Everywhere Daily · Monday, September 14, 2026
During the High Middle Ages, the Hanseatic League emerged as a powerful organization controlling the flow of dried cod across borders. They developed specialized ships like the Cog to transport large quantities of cod and established a cartel-like system, grading fish by quality and enforcing trade demands with violence, even attacking Copenhagen in 1428.
“To meet dietary obligations, maintaining a supply of dried fish became a necessity.”
“In response to the demand, formal organizations such as the Hanseatic League arose during the High Middle Ages to control the flow of fish across borders.”
“The Hanseatic League acted as a cod cartel.”
“It enforced its edicts by violence, often using its naval fleet as weapons against those who refused to accept its trade demands.”