List of submarine actions

Actions

American Civil War

*1864, February 17 – Confederate human-powered submarine ''H. L. Hunley'' sinks the Union sloop with spar torpedo, off Charleston. The ''H. L. Hunley'' thus became the first submarine to successfully sink an enemy vessel in combat, and was the direct progenitor of what would eventually become international submarine warfare.

First Balkan War

*1912, December 9 – became the first submarine to launch a self-propelled torpedo at an enemy ship, though the ship did not sink due to a weapons malfunction.

World War I

*1914, September 5 – HMS ''Pathfinder'' is sunk at the start of World War I by , becoming the first ship to ever be sunk by a self-propelled torpedo fired by submarine.
*1914, September 22 – German submarine sinks three unescorted British armoured cruisers , and in approximately one hour.
*1914, October 18 – German submarine sinks in the first ever successful attack on one submarine by another.
*1914, October 20 – German submarine sinks in the first submarine sinking of a merchant ship during the world wars.
*1915, May 7 – German submarine sinks killing 1,198 and leaving 761 survivors. The sinking turned public opinion in many countries against Germany, contributed to the U.S. entry into World War I.
*1915, May 25/27 – In the morning of May 27 German submarine ''U-21'' sinks the British pre-dreadnought battleship off the Gallipoli peninsula. Two days after the same U-boat sunk the pre-dreadnought HMS ''Triumph'' near Gaba Nepe.
*1916, March 22 – German submarine is sunk by the Q-ship – a merchant ship carrying hidden weapons – HMS ''Farnborough'' in the first successful use of depth charges. (''Farnborough'' sank the SM ''U-83'' in 1917)

World War II

*1939, September 17 - German U-boat sinks HMS ''Courageous''.
*1939, October 14 – German U-boat sinks HMS ''Royal Oak'' in Scapa Flow base. The First Lord of Admiralty Winston Churchill officially announced the loss of ''Royal Oak'' to the House of Commons, first conceding that the raid had been "a remarkable exploit of professional skill and daring".
*1940, October 17–19 – The most effective wolfpack of the world wars including Kretschmer, Prien and Schepke sinks 32 ships from Convoy SC 7 and Convoy HX 79 in two days.
*1940, November 23 – sinks 7 Allied Merchant ships from Convoy SC-11 in only 3 hours.
*1941, November 13 – ''U-81'' strikes with a single torpedo. She sinks the following day due to crippling damage.
*1941, November 28 - Dutch submarine HNLMS O-21 becomes the only submarine to sink another submarine while they were both surfaced when she sinks German submarine U-95 with a stern torpedo.
*1942, June 7 - The ''I-168'' sinks the US aircraft carrier USS Yorktown (CV-5) and the USS Hammonn (DD-214) who was attempting to save the Yorktown from battle damage she had received in the Battle of Midway.
*1942, September 15 – Japanese submarine ''I-19'' sinks U.S. aircraft carrier and destroyer and damages battleship with a single salvo.
*1942, November 13 - ''I-26'' sinks USS ''Juneau''. The dead includes all five Sullivan brothers.
*1943, March 16–19 – The largest North Atlantic U-boat wolfpack attack of the world wars sinks 22 ships from Convoys HX 229/SC 122.
*1943, April 29 – May 6 – Convoy ONS 5 is the last major North Atlantic wolfpack attack by surfaced U-boats as escorts demonstrate effective use of radar to sink 6 U-boats in low-visibility conditions.
*1943, May 14 – or is the first submarine sunk by a homing torpedo.
*1944, November 29 – USS ''Archer-Fish'' sinks Japanese aircraft carrier ''Shinano'', the largest vessel of that time.
*1943, October 31-November 1 – USS ''Borie'' and ''U-405'' engage in a pitched battle ending with ''Borie'' ramming the submarine. Both ships are lost.
*1945, January 30 – Soviet submarine ''S-13'' sinks the German ship ''Wilhelm Gustloff'', with older and cautious estimates of 6,000 but more recent estimates of more than 9,000 casualties.
*1945, February 6 – Royal Navy submarine becomes the only submarine to sink another submarine while they were both submerged when she sinks off Norway.
*1945, April 16 – Soviet submarine ''L-3'' sinks the German ship ''Goya'', with 6,000–7,000 casualties.
*1945, July 30 - USS ''Indianapolis'' is sunk by the Japanese submarine ''I-58''. She suffers the largest loss of life of an American ship.

Post-World War II

*1971, December 9 – Pakistani PNS ''Hangor'' during the 1971 Indo-Pakistani War sinks the Indian frigate . This was the first ship sunk by a submarine since World War II. ''Hangor'' also damaged another warship, INS ''Kirpan''. This was the heaviest casualty that the Pakistani Navy inflicted on the Indian Navy in the war.Casualties in 1971 war
After the attack on ''Khukri'', the Indian Navy ceased its attacks on Karachi and moved the focus of its operations to East Pakistan ports like Chittagong and Cox's Bazaar.
*1982, May 2 – British nuclear submarine HMS ''Conqueror'' sinks Argentine cruiser ''General Belgrano'' off the Falkland Islands. It was the first sinking of any vessel by a nuclear-powered submarine in wartime and also the first time that a nuclear-powered submarine fired weapons in an act of war.
*2010, March 26 – A North Korean 2-men midget submarine sinks the South Korean corvette ROKS ''Cheonan'' off Baengnyeong Island.

See also

* List of single ship actions

References

{{DEFAULTSORT:Submarine Actions
Submarine warfare
Naval warfare
Naval lists
Lists of naval battles