Duke of Aquitaine House of Valois claimed supremacy over Aquitaine. In 1360, both sides signed the Treaty of Bretigny, in which Edward renounced the French crown but remained sovereign Lord of Aquitaine (rather than merely duke). However, when the treaty was broken in 1369, both these English claims and the war resumed. In 1362, King Edward III, as Lord of Aquitaine, made his eldest son Edward, Prince of Wales, Prince of Aquitaine. In 1390, King Richard II, son of Edward the Black Prince appointed his uncle John of Gaunt Duke of Aquitaine. This grant expired upon the Duke's death, and the dukedom reverted
The Prince Edward Island Highlanders on active service on 1 Sep 1939 for local protective duty and a battalion was mobilized on 1 January 1941. The unit served in Newfoundland from 1941 to 1943. Early in 1945 this battalion embarked for the United Kingdom where it was disbanded shortly after arrival. A reserve battalion remained on Prince Edward Island. The regiment was amalgamated with the Prince Edward Island Light Horse in 1946 and renamed The Prince Edward Island Regiment in 1949. The Prince Edward Island Highlanders were allied to the Black Watch (Royal Highland Regiment) and were kitted as Black Watch except for badges. Officers