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 Mutual Cooperation and Security Between the United States and Japan was largely based on the argument that article 6 of the treaty threatens the sovereign power of Japan. Article 6, as further explained below, contains a Status of Forces Agreement allowing the US to use military forces and facilities deployed in Japan for combat purposes other than the defense of Japan. Beginning with Article 1, the treaty established that each country would seek to resolve any international disputes peacefully. The treaty also gave prominence to the United Nations in dealing with aggression. Article 5, which dealt with armed attacks by a third party, required that the United Nations Security Council