Robert the Bruce him control of much of Scotland, and at the Battle of Bannockburn in 1314, Robert defeated a much larger English army under Edward II of England, confirming the re-establishment of an independent Scottish kingdom. The battle marked a significant turning point, with Robert's armies now free to launch devastating raids throughout northern England, while also extending his war against the English to Ireland by sending an army to invade there and by appealing to the Irish to rise against Edward II's rule. Despite Bannockburn and the capture of the final English stronghold at Berwick in 1318, Edward II refused to
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