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 Amity and Commerce (Prussia–United States) Treaty of Amity and Commerce (Prussia–United States) The Treaty of Amity and Commerce between the Kingdom of Prussia and the United States of America (September 10, 1785) was a treaty negotiated by Count Karl-Wilhelm Finck von Finckenstein, Prussian Prime Minister, and Thomas Jefferson, United States Ambassador to France, and signed by Frederick the Great and George Washington. The treaty established a commercial alliance between the Kingdom of Prussia and the United States of America and was the first one signed by a European power with the United States after the American Revolutionary War. The Kingdom of Prussia became therefore one