page_title: Dual monarchy of England and France
section_title: 1417 campaign
hierarchical_section_title: Dual monarchy of England and France / The Warrior King / 1417 campaign
caption_attribution_description: English: Marriage of Henry V of England to Catherine of Valois British Library, Miniature of the marriage of Henry V and Catharine de Valois: Jean Chartier, Chronique de Charles VII, France (Calais), 1490, and England, before 1494, Royal 20 E. vi, f. 9v.
context_page_description: The dual monarchy of England and France existed during the latter phase of the Hundred Years' War when Charles VII of France and Henry VI of England disputed the succession to the throne of France. It commenced on 21 October 1422 upon the death of King Charles VI of France, who had signed the Treaty of Troyes which gave the French crown to his son-in-law Henry V of England and Henry's heirs. It excluded King Charles's son, the Dauphin Charles, who by right of primogeniture was the heir to the Kingdom of France. Although the Treaty was ratified by the Estates-General of France, the act was a contravention of the French law of succession which decreed that the French crown could not be alienated. Henry VI, son of Henry V, became king of both England and France and was recognized only by the English and Burgundians until 1435 as King Henry II of France. He was crowned King of France on 16 December 1431.
context_section_description: So, with those two potential enemies gone, and after two years of patient preparation following the battle of Agincourt, Henry renewed the war on a larger scale in 1417.  Lower Normandy was quickly conquered, and Rouen cut off from Paris and besieged.  The French were paralysed by the disputes between the Burgundians and the Armagnacs. Henry skilfully played them off one against the other, without relaxing his warlike approach.  In January 1419, Rouen fell.  The Norman French who had resisted were severely punished: Alain Blanchard, who had hung English prisoners from the walls, was summarily executed; Robert de Livet, Canon of Rouen, who had excommunicated the English king, was sent to England and imprisoned for five years.
  By August, the English were outside the walls of Paris. The intrigues of the French parties culminated in the assassination of John the Fearless by the Dauphin's partisans at Montereau (10 September 1419).  Philip the Good, the new duke, and the French court threw themselves into Henry's arms.  After six months of negotiation, the Treaty of Troyes recognised Henry as the heir and regent of France (see English Kings of France), and, on 2 June 1420, Henry married Catherine of Valois, the  daughter of Charles VI of France. From June to July, Henry's army besieged and took the castle at Montereau, then Melun in November, returning to England shortly thereafter.  Henry VI was born the following year.
caption: Henry V's marriage to Catherine of Valois
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