Wars of Scottish Independence the Bruce following his killing of The Red Comyn in Dumfries in 1306 to his and the Scottish victory at Bannockburn in 1314; and a final phase of Scottish diplomatic initiatives and military campaigns in Scotland, Ireland and Northern England from 1314 until the Treaty of Edinburgh-Northampton in 1328. The war began in earnest with Edward I's brutal sacking of Berwick in March 1296, followed by the Scottish defeat at the Battle of Dunbar and the abdication of John Balliol in July. The English invasion campaign had subdued most of the country by August and, after removing the Stone of
Robert the Bruce from English rule (having received a reply to offers of assistance from Donal O'Neil, king of Tyrone), and to open a second front in the continuing wars with England. Bruce was even crowned as High King of Ireland in 1316. Robert later went there with another army to assist his brother. In conjunction with the invasion, Bruce popularised an ideological vision of a "Pan-Gaelic Greater Scotia" with his lineage ruling over both Ireland and Scotland. This propaganda campaign was aided by two factors. The first was his marriage alliance from 1302 with the de Burgh family of the Earldom of