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
Strangford Treaty throughout the country. As a result, low cost imported goods manufactured by machine industry began to swamp the market that had previously been dominated by the local handicrafts industry. Exports of tobacco and sugar from Brazil were prohibited, which protected British producers in the West Indies. The treaty was written so as to expire in 1825 unless renewed. It remained in effect until 1844. Strangford Treaty The Strangford Treaty was an 1810 treaty between the Portuguese colony of Brazil and the United Kingdom of Great Britain and Ireland. It provided major concessions to the British in the form of tariff