Andrew Harclay, 1st Earl of Carlisle the Scots, under the command of Robert the Bruce, at the Battle of Old Byland in Yorkshire. The English commander, John of Brittany, Earl of Richmond, was taken prisoner, while the king himself barely escaped capture. It was the worst defeat the English had suffered in the wars since the Battle of Bannockburn in 1314. Harclay had received a summons to join the royal army, but had not been able to bring his troops south in time to come to the king's rescue. The event convinced him that the war against Scotland could not be won under the leadership of
Battle of Dupplin Moor of the battle, although there is no strong reason to locate the battle there. The Battle of Dupplin Moor was the worst Scottish defeat since the Battle of Falkirk, 34 years before, far exceeding the setback at Methven. The losses were heavy, but they could be made good, and Dunbar's army, probably as strong as Mar's, was still in the field. However, the worst casualty of all was the national confidence that had grown from the successive victories of King Robert Bruce, which had produced an illusory sense of invulnerability. Once again the nation had tasted serious defeat, and the