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
Bulgaria–Germany treaty (1915) any country." Bulgaria agreed to help Germany with its whole army in case "Germany is attacked without reason by a country bordering with Bulgaria." This treaty along with the Secret Bulgarian-German agreement, the Military convention between Germany, Austria-Hungary and Bulgaria and the Bulgarian-Turkish convention also signed on 6 September allied Bulgaria with the Central Powers in World War I. The treaty was for 5 years and was to be secret until the official entering of Bulgaria in the war. Bulgaria–Germany treaty (1915) The Treaty for friendship and alliance between Bulgaria and Germany was a military treaty signed on 6 September