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 Friendship, Commerce and Navigation Between Argentina and the United Kingdom Treaty of Friendship, Commerce and Navigation Between Argentina and the United Kingdom The Treaty of Friendship, Commerce and Navigation Between Argentina and the United Kingdom was an 1825 treaty between the United Provinces of the River Plate (predecessor of modern Argentina) and the United Kingdom of Great Britain and Ireland (predecessor of modern United Kingdom). With this treaty, the United Kingdom accepted the 1816 Argentine Declaration of Independence. As the United Kingdom was the most powerful world power of the time, and the United States had announced the Monroe Doctrine, this treaty limited the chances of Spain to reconquer its