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 Tumlong of the World. At the same time, he ensured that no other community would be able to purchase lands from the Bhutias and the indigenous Lepchas to protect feudal integrity. China recognised Sikkim as a British protectorate in 1890 and the Chogyal's role in the administration of his country disappeared. Treaty of Tumlong The Treaty of Tumlong was a March 1861 treaty between Great Britain and the Kingdom of Sikkim in present-day north India. Signed by Sir Ashley Eden on behalf of the British and Sikkimese Chogyal, Sidkeong Namgyal, the treaty secured protection for travellers to Sikkim and guaranteed free