Stirling Castle castle, if it were not relieved by 24 June 1314. Bruce agreed, and withdrew. The following summer, the English duly headed north, led by Edward II, to save the castle. On 23–24 June, King Robert's forces met the English at the Battle of Bannockburn, within sight of the castle walls. The resulting English defeat was decisive. King Edward attempted to take refuge in the castle, but Mowbray was determined to keep to his word, and the English were forced to flee. Mowbray handed over the castle, changing sides himself in the process. King Robert ordered the castle to be slighted;
Battle of Halidon Hill ultimate victor. The Treaty of Northampton in 1328 brought an end to over thirty years of intermittent warfare following the defeat of Edward II by Robert Bruce. Bruce's own death the following year opened up an opportunity for the disinherited, Balliol and the English to invade Scotland once more. In 1332 under the leadership of Edward Balliol, son of King John Balliol, and Henry Beaumont, 4th Earl of Buchan, these men invaded Scotland with the full support of Edward III, defeating the Bruce loyalists at the Battle of Dupplin Moor. Building on this success Balliol was crowned King of Scotland.