Anglo-Portuguese Treaty of 1373 Anglo-Portuguese Treaty of 1373 The Anglo-Portuguese Treaty of 1373 was signed on 16 June 1373 between King Edward III of England and King Ferdinand and Queen Eleanor of Portugal. It established a treaty of "perpetual friendships, unions [and] alliances" between the two seafaring nations. It is the oldest active treaty in the world. It was confirmed "with my usual flourish" by John de Banketre, Clerk. It was reinforced throughout history, including in 1386, 1643, 1654, 1660, 1661, 1703, 1815 and by a secret declaration in 1899. It was recognized in the Treaties of Arbitration in the 20th century between Britain
Treaty of Peace and Friendship of 1984 between Chile and Argentina on solving disputes, ship navigation rights and an exact definition of the border through the Straits of Magellan. Chile and Argentina, though never at war with each other, have named some of their border treaties as "peace treaties". The treaty ended the Beagle conflict and was the result of long standing negotiations between Chile, Argentina and the Vatican as mediator. The outcome of the Falklands war made the treaty possible. When consulted in a non-binding referendum on resolving the conflict by then President Raul Alfonsin, 82% of Argentine population voted in favor of signing the treaty. The treaty recognizes the