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 Lhasa Treaty of Lhasa The Treaty of Lhasa, officially the Convention Between Great Britain and Tibet, was a treaty signed in 1904 between Tibet and the United Kingdom of Great Britain and Ireland, in Lhasa, the capital of Tibet, then under administrative rule of the Qing dynasty. It was signed following the British expedition to Tibet of 1903-1904, a military expedition led by Colonel Francis Younghusband, and was followed by the Anglo-Chinese Convention of 1906. The main points of the treaty allowed the British to trade in Yadong, Gyantse, and Gartok while Tibet was to pay a large indemnity of 7,500,000