King Edward III, regarded as one of the great negotiators of the Middle Ages.
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On this day in 1373, the Anglo-Portuguese Treaty of 1373 established the Anglo-Portuguese Alliance, the oldest alliance still in force in the world. Under the terms of the treaty, Portugal is required to supply England with port wine “for every noble household,” and the English are required to supply Portugal with a variable quantity of jellied eels. It is notable that Portugal has not claimed its share of the bargain since 1374.