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
Tumen River Tumen River The Tumen River, also known as the Tuman or Duman River (), is a long river that serves as part of the boundary between China, North Korea and Russia, rising on the slopes of Mount Paektu and flowing into the East Sea (Sea of Japan). The river has a drainage basin of 33,800 km (13,050 sq mi). The river flows in northeast Asia, on the border between China and North Korea in its upper reaches, and between North Korea and Russia in its last before entering the Sea of Japan. The river forms much of the southern border