Kingdom of Scotland support of a major naval power in the North Sea. The development of naval power allowed Robert to successfully defeat English attempts to capture him in the Highlands and Islands and to blockade major English controlled fortresses at Perth and Stirling, the last forcing Edward II to attempt the relief that resulted in English defeat at Bannockburn in 1314. Scottish naval forces allowed invasions of the Isle of Man in 1313 and 1317 and Ireland in 1315. They were also crucial in the blockade of Berwick, which led to its fall in 1318. After the establishment of Scottish independence, Robert
Robert the Bruce found in England stating that King Edward had any knowledge of treachery by Robert Bruce before his acts against Comyn. They state that King Edward did not hear of the murder of John Comyn until several days after his death. Six weeks after Comyn was killed in Dumfries, Bruce was crowned King of Scots by Bishop William de Lamberton at Scone, near Perth, on Palm Sunday 25 March 1306 with all formality and solemnity. The royal robes and vestments that Robert Wishart had hidden from the English were brought out by the bishop and set upon King Robert. The bishops