 The Battle of Castillon (1453) was the final action of the Hundred Years' War, but France and England remained formally at war until the Treaty of Picquigny in 1475.English, and later British monarchs would continue to nominally claim the French throne until 1801, though they would never again seriously pursue it.Henry V of England asserted a claim of inheritance through the female line, with female agency and inheritance recognised in English law but prohibited in France by the Salic law of the Salian Franks.