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
Lancaster Castle On the death of Henry II, the Honour passed to his son, Richard the Lionheart, who gave it to his brother, Prince John, in the hope of securing his loyalty. One of the functions castles served was as a prison; the first record of the castle being used in this way was in 1196, although the role became much more important after the English Civil War. Since the 12th century, the monarch appointed a sheriff to maintain the peace in Lancashire, a role usually filled by the duke and based at the castle. In the late 12th and early 13th