Company's shipyard at Blackwall, London. She was launched on 8 November 1904 and completed on 17 March 1906. When completed, Black Prince served with the 2nd Squadron until 1907, the 1st Cruiser Squadron from 1907 to 1908, the 5th Cruiser Squadron (as part of the Atlantic Fleet) from 1908 to 1912 and the Third from 1912 to 1913. At the beginning of the First World War, Black Prince was one of the four armoured cruisers serving in the 1st Cruiser Squadron of the Mediterranean Fleet, commanded by Rear-Admiral Ernest Charles Thomas Troubridge. She participated in the pursuit of Goeben and Breslau. Following the escape of the two German ships to neutral Turkey, Black Prince and Duke of Edinburgh were sent into the Red Sea to search for German merchant ships, with Black Prince capturing the German ocean liners Südmark and Istria. On 6 November, she was ordered to Gibraltar to join a squadron of French and British ships to search for German warships still at sea off the African coast. This was cancelled on 19 November after the location of the German East Asia Squadron was revealed by survivors of the Battle of Coronel. Black Prince joined the Grand Fleet in December 1914 and was assigned to the 1st Cruiser Squadron under Rear-Admiral Sir Robert Keith Arbuthnot. Black Prince was modified in March 1916 as a result of lessons learned at the Battle of Coronel, with the 6-inch guns removed from their casemates and replaced by six 6-inch guns mounted individually behind shields between the beam 9.2-inch turrets. Loss The ship participated in the Battle of Jutland, where she was sunk with the loss of her entire crew. The circumstances under which she sank were mysterious for some years after. As the British had lost contact and did not see the ship destroyed, they were unsure as to whether a submarine or surface ship was responsible for sinking Black Prince. During the battle, the 1st Cruiser Squadron was deployed as part of a screening force several miles ahead of the main force of the Grand Fleet, but Black Prince lost contact with the rest of the Squadron as it came into contact with German forces, at about 17:42. Soon after, two other members of the 1st Cruiser Squadron, and , were heavily engaged by German battleships and battlecruisers, with Defence blowing up and Warrior receiving heavy damage, which later caused