Duke of Aquitaine to the Crown. Regardless, due to Henry Bolingbroke's seizure of the crown, he still came into possession of the dukedom. Henry V continued to rule over Aquitaine as King of England and Lord of Aquitaine. He invaded France and emerged victorious at the siege of Harfleur and the Battle of Agincourt in 1415. He succeeded in obtaining the French crown for his family by the Treaty of Troyes in 1420. Henry V died in 1422, when his son Henry VI inherited the French throne at the age of less than a year; his reign saw the gradual loss of English
Rise of the Ottoman Empire the interregnum. When Mehmed died in 1421, one of his sons, Murad, became sultan. Murad II spent his early years on the throne disposing of rivals and rebellions, most notably the revolts of the Serbs. He also had problems at home. He subdued the rebels of his uncle Mustafa Çelebi and brother Küçük Mustafa. In 1422, Murad II laid siege to Constantinople for several months and lifted it only after forcing the Byzantine emperor, Manuel II Palaiologos to pay additional tribute. In 1422 the first regular war against Venice began with the Siege of Thessalonica (1422–30). Byzantine involvement in the