Thomas, Duke of Clarence

Timeline

1. 1411–1412Gascony · GasconyCreated Duke of Clarence in 1411, the following year he crossed the sea with eight thousand English troops on his father's orders, fighting a Franco-Castilian alliance in Gascony and capturing Bazas and other places, demonstrating independent command ability.
2. 1413–1416London · EnglandDuring Henry V's 1415 expedition to France, Thomas served as regent of the realm, remaining at home to handle state affairs and logistics. After the great victory at Agincourt he took part in the celebrations and further mobilization, maintaining diplomatic contacts with the Burgundian side.
3. 1417–1420Normandy · NormandyHe returned to France with Henry V, taking part in the Norman conquest campaign and fighting at Caen, Falaise, and elsewhere. He was still active in France around the signing of the Treaty of Troyes in 1420, one of the leading Lancastrian generals maintaining a military presence in France.