English invasion of Scotland (1400) Edinburgh) where it could maintain contact with its supply fleet. The campaign ultimately accomplished little except to further deplete the king's coffers, and is historically notable only for being the last one led by an English king on Scottish soil. War with Scotland had started under Edward I, cross-border raids and fighting had been the norm in Anglo-Scottish relations since the 1370s, generally in the form of Scottish incursions over the border and English attempts to repel them. The 1399 revolution, which eventually deposed Richard II, created further opportunity for Scotland to regain the land between the River Tweed and
River Glen, Northumberland to Bede, "washed them with the water of absolution in the river Glen, which is close by" (Tomlinson, 1888, p. 504). Because there is a reference to a similarly named river in Historia Brittonum by the Welsh author Nennius, some (Ekwal, 1928; Hunt, 2005) have hypothesized that the legendary British warrior Arthur began his campaign against Anglo-Saxon invaders near the confluence of the Glen and Till: The area around the Glen was the setting for some of the bloodiest border warfare between Scotland and England. The Battle of Humbleton Hill was fought near the river in 1402, as was the