heavy weather en route delayed her arrival until 23 November. Suffren recoaled and departed Gibraltar the following day without an escort. On the morning of 26 November, roughly off the Portuguese coast near Lisbon, she was torpedoed by the German submarine , which was en route to the Austro-Hungarian naval base at Cattaro in the Adriatic Sea. The torpedo detonated a magazine and Suffren sank within seconds, taking her entire crew of 648 with her. U-52 searched the scene, but found no survivors. Notes References Further reading External links Suffren at Battleships-Cruisers.co.uk Navies of World War I: French Navy Battleships of the French Navy Ships built in France 1899 ships Maritime incidents in 1907 World War I battleships of France Maritime incidents in 1916 Shipwrecks of Portugal World War I shipwrecks in the Atlantic Ocean Ships sunk by German submarines in World War I Ships with Field tube boilers Warships lost in combat with all hands Naval magazine explosions