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 former colony. The treaty also allowed British subjects to keep their religion, and to build their own churches and cemeteries. This was an unprecedented step in the history of the freedom of religion in Argentina, as it was the first time that a religion other than the Catholic Church was legally allowed in the country. The treaty set as well an agreement to stop the Atlantic slave trade. In the context of the dispute over the Falkland Islands (), Lowell S. Gustafson argues that by signing the Treaty without making any reservation about Argentina's settlement on the islands by 1825,