The Jersey breed originates from the Island of Jersey in the Channel Islands. Today, outstanding herds of Jerseys can be found from Denmark to New Zealand, from Canada to South America, and from South Africa to Japan.
Many of the flags recall links to the The Duchy of Normandy. The Duchy stems from the Viking invasions of France in the 8th century. It was created by the treaty of Saint-Clair-sur-Epte in 911 out of concessions made by King Charles, and granted to Rollo.