Channel Tunnel terms of the Concession, Eurotunnel was obliged to investigate a cross-Channel road tunnel. In December 1999 road and rail tunnel proposals were presented to the British and French governments, but it was stressed that there was not enough demand for a second tunnel. A three-way treaty between the United Kingdom, France and Belgium governs border controls, with the establishment of "control zones" wherein the officers of the other nation may exercise limited customs and law enforcement powers. For most purposes these are at either end of the tunnel, with the French border controls on the UK side of the tunnel
Channel Islands the Duchy of Normandy. In 1066, William II of Normandy invaded and conquered England, becoming William I of England, also known as William the Conqueror. In the period 1204–1214, King John lost the Angevin lands in northern France, including mainland Normandy, to King Philip II of France, but managed to retain control of the Channel Islands. In 1259, his successor, Henry III of England, by the Treaty of Paris, officially surrendered his claim and title to the Duchy of Normandy, while the King of France gave up claim to the Channel Islands, which was based upon his position as feudal