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England and Portugal formally ratify their alliance with the signing of the Treaty of Windsor, making it the oldest diplomatic alliance in the world which is still in force.
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England
Country within the United Kingdom
England is a country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and more than 100 smaller adjacent islands. England shares a land border with Scotland to the north and another land border with Wales to the…Source: Wikipedia (CC BY-SA)
Portugal
Country in Southwestern Europe
Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it shares the longest uninterrupted border in the European…Source: Wikipedia (CC BY-SA)
Anglo-Portuguese Alliance
1386 alliance between the UK and Portugal
The Anglo-Portuguese Alliance is the oldest alliance that is still in force by political bilateral agreement. It was established by the Treaty of Windsor in 1386, between the Kingdom of England and the Kingdom of Portugal, though the countries were previously allied via the…Source: Wikipedia (CC BY-SA)
Treaty of Windsor (1386)
Anglo-Portuguese diplomatic alliance
The Treaty of Windsor is a diplomatic alliance signed between the Kingdom of Portugal and the Kingdom of England on 24 February 1387 in Windsor, Berkshire, and sealed by the marriage of King John I of Portugal to Philippa of Lancaster, daughter of John of Gaunt, 1st Duke of…Source: Wikipedia (CC BY-SA)