Henry de Percy, 1st Baron Percy the commissioning of Warwolf, a giant trebuchet which flattened the curtain walls. The defenders had tried to surrender four days earlier, but had been made to wait by the king while he tried out his new toy. In September 1305 the first joint English and Scottish parliament met at Westminster to agree a constitution for the unified state, with Percy playing a leading role in the negotiations, but Robert Bruce, a leading representative of the Scots, was already conspiring to rebel. On 25 March 1306 Robert Bruce was crowned King of Scotland at Scone Abbey, upon which Edward confiscated his
History of the Scots language the land of the English in the Kingdom of the Scots" and why the early 13th century author of "de Situ Albanie" thought that the Firth of Forth "divides the kingdoms of the Scots and of the English". Most of the evidence suggests that English spread further into Scotland via the burgh, proto-urban institutions which were first established by King David I. Incoming burghers were mainly English (especially from Northumbria, and the Earldom of Huntingdon), Flemish and French. Although the military aristocracy employed French and Gaelic, these small urban communities appear to have been using English as something more than