English invasion of Scotland (1400) the Solway Firth. As Historian Chris Given-Wilson has put it, 'England's confusion was Scotland's opportunity,' and in May 1399 Wark Castle was destroyed by a Scottish raid. The invasion, then, started being planned alsmost as soon as Henry took the throne. At least one historian has noted a tradition, by then, of newly crowned kings of England launching military campaigns at the beginning of their reigns. Edward III had done so the same year his reign commenced; Richard II immediately on reaching his majority, and Henry V would do so within three years. These campaigns have been summarised as "enforcing...royal
Castles and Town Walls of King Edward in Gwynedd to conduct negotiations with the king. Henry Percy took an oath in the castle chapel to protect the king if he agreed to leave the castle, but when Richard left he was promptly taken prisoner, and was taken away to die later in captivity at Pontefract Castle. Tensions between the Welsh and the English persisted and spilled over in 1400 with the outbreak of the Glyndŵr Rising. At the start of the conflict, Harlech's garrison was badly equipped, and Conwy had fallen into disrepair. Conwy Castle was taken at the start of the conflict by two Welsh brothers, who took