Tibbers Castle led to a succession crisis resulting in English rule of Scotland under Edward I. Robert the Bruce's family was one of the claimants and in 1306 he was crowned king, leading to war with England. The first phase of Bruce's campaign in 1306 was to capture the English-held castles of Ayr, Dalswinton, Inverkip and Tibbers. Control was given to John de Seton until the English recaptured the castle from the Scots, hanging the defenders, and a larger garrison, this time numbering 54, was installed. In 1313 the Scots regained control of the region. From there Tibbers Castle remained in Scottish
German submarine U-1306 German submarine U-1306 German submarine "U-1306" was a Type VIIC/41 U-boat of Nazi Germany's "Kriegsmarine" during World War II. She was ordered on 1 August 1942, and was laid down on 23 September 1943, at Flensburger Schiffbau-Gesellschaft, Flensburg, as yard number 499. She was launched on 25 October 1944, and commissioned under the command of "Oberleutnant zur See" Ulrich Kiessling on 20 December 1944. German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. "U-1306" had a displacement of when at the surface and while submerged. She had a total length of , a pressure hull length of