| dbp:desc
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- 0001-04-05 (xsd:gMonthDay)
- 0001-04-09 (xsd:gMonthDay)
- 0001-04-14 (xsd:gMonthDay)
- 0001-05-01 (xsd:gMonthDay)
- 0001-05-05 (xsd:gMonthDay)
- 0001-05-07 (xsd:gMonthDay)
- 0001-05-09 (xsd:gMonthDay)
- 0001-05-10 (xsd:gMonthDay)
- 0001-05-23 (xsd:gMonthDay)
- 0001-05-30 (xsd:gMonthDay)
- 0001-05-31 (xsd:gMonthDay)
- 0001-07-23 (xsd:gMonthDay)
- 0001-08-15 (xsd:gMonthDay)
- 0001-09-17 (xsd:gMonthDay)
- 0001-10-01 (xsd:gMonthDay)
- 0001-11-11 (xsd:gMonthDay)
- The Type DM minelayer Marinefahrprahm was sunk on this date. (en)
- World War II: The cargo ship was torpedoed and sunk in the Yellow Sea by . (en)
- The K-15/M-17-class river minesweeping launch was sunk on this date. (en)
- The auxiliary river minesweeper was sunk on this date. (en)
- World War II: The cargo ship was torpedoed and sunk in the East China Sea by . (en)
- The Type D Marinefahrprahm was sunk on this date. (en)
- The Vorpostenboot was lost on this date. (en)
- The auxiliary minesweeper was lost on this date. (en)
- World War II: The tanker struck a mine and sank off Singapore. (en)
- The landing craft personnel (large) was lost on this date. (en)
- World War II: The coaster was torpedoed and sunk in the Pacific Ocean off Yamada Bay, Honshu by . (en)
- World War II: The KSK-2-class naval drifter/submarine chaser was scuttled in May. Raised and repaired by the post War Occupation Government and awarded to the United Kingdom as a war reparation in 1947. (en)
- End of World War II: The B-class submarine was scuttled at Kiel, Germany. The wreck was raised and scrapped post-war. (en)
- World War II: The Type 35 torpedo boat was scuttled at Kiel after being damaged by Soviet aircraft and then by Royal Air Force aircraft in a later air raid. (en)
- World War II: The ran aground off Naha, Okinawa, Japan. She was shelled and damaged by Japanese shore-based artillery and was abandoned with the loss of 86 of her 273 crew. She was later scuttled by United States Navy warships. (en)
- End of World War II: The Type XXIII submarine was scuttled in the Baltic Sea north west of Laboe, Schleswig-Holstein . (en)
- The naval trawler/Vorpostenboot was lost sometime in May. (en)
- World War II: The transport was sunk in the Bay of Kiel by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The Type XXI submarine was damaged in the Kattegat by a rocket attack by Bristol Beaufighter aircraft of 236 and 254 Squadrons, Royal Air Force. She was consequently scuttled off Fehmarn with the loss of one crew member. (en)
- thumb|Cap Arcona World War II: The ocean liner was sunk in the Bay of Lübeck by Hawker Typhoon aircraft of the Second Tactical Air Force, Royal Air Force with the loss of ≈5,600 lives. (en)
- World War II: The high-speed transport, a former , was sunk in the Pacific Ocean south of Ie-jima by three kamikaze aircraft with the loss of 21 of her 213 crew. (en)
- World War II: The escort ship, a former corvette, was scuttled at Livorno, Italy. (en)
- World War II: The was torpedoed and sunk off Lyme Bay by . Twenty-two crewmen were killed; the ten survivors were rescued by , and . (en)
- World War II: The Type 1939/40 Schnellboot was sunk in the Little Belt by Hawker Typhoon aircraft of the Second Tactical Air Force with the loss of 18 lives. (en)
- The landing craft personnel (large) was lost at Akyab, Burma. (en)
- The FR 1-class river minesweeper was lost sometime in May. (en)
- End of World War II: The Type IIB submarine was scuttled at Wilhelmshaven. (en)
- World War II: The floating anti-aircraft battery was scuttled at Wilhelmshaven, Lower Saxony. Salvaged and scrapped in 1948. (en)
- End of World War II: The Type XXI submarine was scuttled at Travemünde. The wreck was scrapped post-war. (en)
- World War II: The cargo ship struck a mine and was beached in the Kanmon Strait . (en)
- World War II: The cargo ship was bombed and sunk in the Bay of Kiel by Hawker Typhoon aircraft of the Second Tactical Air Force with the loss of 120 lives. (en)
- World War II: The was sunk in the Pacific Ocean off Oshima, Japan by a kamikaze aircraft attack with the loss of 152 of her 273 crew. (en)
- World War II: The was sunk in the East China Sea west of the Satsunan Islands by aircraft based on and (en)
- World War II: The minesweeper capsized due to weather and overloading north of Hydra island, Greece. 28 crew and between 60 and 90 passengers were lost. 9 crew and 26 passengers were rescued. Olympian Martin Nordenström was one of those who died. (en)
- End of World War II: The Type IXD2 submarine was scuttled at Eckernförde. The wreck was scrapped in 1947. (en)
- World War II: The CHa-1-class auxiliary submarine chaser was sunk south of Okinawa by American aircraft. (en)
- The self-propelled fuel oil barges were lost at Sitka, Alaska sometime in May. (en)
- World War II: The coaster was sunk in the Bay of Kiel by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The cargo ship was sunk south of the Great Belt by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The was sunk in the Pacific Ocean west of Okinawa by a Japanese kamikaze attack. (en)
- World War II: The cargo ship was torpedoed and damaged in the Sea of Okhotsk east of Sakhalin by . She sank the next day. A total of 272 troops and six crewmen were killed. Four hundred survivors were rescued by . (en)
- The Type IXC/40 submarine was scuttled at Kiel. The wreck was scrapped post-war. (en)
- World War II: The was torpedoed and sunk in the Java Sea off Kepulauan, Netherlands East Indies by . Seventy-eight survivors were rescued; twenty crewmen were killed. There were 25 wounded and two reported missing. (en)
- End of World War II: The Type VIIC/41 submarine ran aground in the Geltinger Bucht and was scuttled. (en)
- End of World War II: The was scuttled at Kiel, Schleswig-Holstein. (en)
- End of World War II: The Type VIIC submarine was scuttled at Rendsburg, Schleswig-Holstein. (en)
- World War II: The RD-class minesweeper was scuttled. (en)
- World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Todozaki, Honshu by . (en)
- End of World War II: The Type XXI submarine was scuttled at Neustadt, Hamburg. The wreck was scrapped post-war. (en)
- End of World War II: The Type XXI submarine was scuttled at Travemünde. (en)
- World War II: The was sunk in the Pacific Ocean off Okinawa, Japan by two kamikaze aircraft with the loss of 158 of her 336 crew. (en)
- End of World War II: The Type XXI submarine was scuttled in the Kattegat west of Gothenburg, Sweden . The wreck was raised in 1946 and scrapped. (en)
- World War II: Operation Judgement The coaster was bombed and sunk at Kilbotn by Grumman TBF Avenger and Grumman F4F Wildcat of 846, 853 and 882 Squadrons, Fleet Air Arm, based on , and respectively. Raised in 1947, repaired and returned to service in April 1948. (en)
- World War II: The E-boat support ship struck a mine and sank off Geltinger Bucht, Germany. (en)
- End of World War II: The Type VIIB submarine was scuttled at Kiel. The wreck was scrapped in 1946–47. (en)
- End of World War II: The Type VIIB submarine was scuttled in the Bay of Lübeck. (en)
- World War II: The Yosei Maru-class oiler was torpedoed and sunk in the Java Sea by . 16 crewmen were killed . (en)
- End of World War II: The Type XXIII submarine was scuttled at Hörup. The wreck was scrapped post-war. (en)
- End of World War II: The Type VIIB submarine was scuttled in Kupfermühlen Bay . (en)
- World War II: The torpedo recovery vessel, a former V150-class torpedo boat, was scuttled at Kiel. (en)
- World War II: The tender, a former , was sunk at Kiel by Hawker Typhoon aircraft of the Second Tactical Air Force. Raised and scrapped in 1948. (en)
- End of World War II: The Type XXI submarine was scuttled in the North Sea north west of Wesermünde. The wreck was scrapped post-war. (en)
- End of World War II: The Type XXI submarine was scuttled in the Baltic Sea off the Flensburg Lightship . She was raised in 1957, repaired and entered Bundesmarine service in September 1960 as Wilhelm Bauer. (en)
- End of World War II: The Type IIB submarine was scuttled at Wilhelmshaven, Lower Saxony. (en)
- World War II: The Type 1939/40 Schnellboot was blown up at Lübeck. (en)
- World War II: The torpedo recovery Vessel, a former Dutch was scuttled at Kiel. Raised post war and towed to Den Helder. Expended as a _target in 1948. (en)
- World War II: The naval trawler was torpedoed and sunk in the Atlantic Ocean off Skagi, Iceland by with the loss of 23 of her 24 crew. (en)
- World War II: The cargo ship was sunk off Borneo by . (en)
- World War II: Operation Judgement: The Type VIIC submarine was bombed and sunk at Kilbotn by Grumman TBF Avenger and Grumman F4F Wildcat aircraft of 846, 853 and 882 Squadrons, Fleet Air Arm, based on , and respectively with, the loss of 40 of her 52 crew. (en)
- World War II: The M 1935 minesweeper was bombed and sunk in the Great Belt by Bristol Beaufighter aircraft of 236 and 254 Squadrons, Royal Air Force. (en)
- World War II: The Type C Marinefahrprahm was torpedoed and sunk in the Baltic Sea by Soviet Douglas A-20 Havoc aircraft. (en)
- World War II: The Peacetime Standard Type transport was sunk in the Inland Sea of Japan south east of the Wada-misaki Lighthouse, near Kobe by a mine with the loss of one live. (en)
- End of World War II: The Type XXI submarine was scuttled in the Weser Estuary. (en)
- World War II: The was sunk in the Gulf of Siam by . (en)
- World War II: The depot ship was sunk by United States aircraft in the Whangpoo River in China. (en)
- World War II: Convoy EN 491: The cargo ship was torpedoed and sunk in the North Sea ) by with the loss of seven of her 29 crew. Survivors were rescued by and . (en)
- World War II: The Vorpostenboot was sunk in the Baltic Sea by Soviet Douglas A-20 Havoc and Ilyushin Il-2 aircraft. (en)
- World War II: The anti-aircraft vessel was bombed and sunk by Soviet aircraft at Swinemünde, Germany. (en)
- End of World War II: The Type VIIC.41 submarine was scuttled at Warnemünde. The wreck was raised in 1956 and scrapped. (en)
- World War II: The was severely damaged by a kamikaze attack off Okinawa with the loss of fourteen of her crew. She was consequently decommissioned and scrapped. (en)
- World War II: The motor torpedo boat struck a mine and sank in the Skaggerak. 24 of the 26 crew and all 4 passengers were killed. (en)
- World War II: Convoy SE-3: The cargo ship was torpedoed and sunk in the East China Sea by . (en)
- End of World War II: The Type IIB submarine was scuttled at Bremerhaven. The wreck was raised in 1950 and scrapped. (en)
- World War II: The incomplete was scuttled at Fiume, Italy. Raised post war, completed and put in service as . (en)
- End of World War II: The Type XXIII submarine was scuttled at Hörup . The wreck was scrapped post-war. (en)
- World War II: The fishing vessel Naomh Garbhan, working nine miles off Dungarvan, picked up a mine in her nets. It exploded, sinking it and killing three of the crew. (en)
- World War II: The cargo ship was bombed and sunk off Saishu-To, Chōsen, Korea by Consolidated PB4Y Liberator aircraft of the United States Navy. Twenty-four crew members were lost; 2,400 passengers were rescued by . (en)
- World War II: The Type XXIII submarine was sunk in the Kattegat by a rocket attack by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force and 404 Squadron, Royal Canadian Air Force with the loss of all twelve crew. (en)
- World War II: The lightship was torpedoed and sunk off the Kuril Islands by . (en)
- End of World War II: The Type XXI submarine was scuttled near Hamburg. The wreck was scrapped post-war. (en)
- The Mk 6 landing craft tank was sunk by an explosion at Suda Bay, Crete. (en)
- The Odesskiy Patriot TK-7-class motor torpedo boat was lost on this date. (en)
- World War II: The was severely damaged by a kamikaze attack off Okinawa. 35 crew were wounded but no one was killed.She was consequently decommissioned and scrapped. (en)
- World War II: The auxiliary river minesweeper was sunk by American tanks on the Danube, km 2107. (en)
- End of World War II: The Type VIIC/41 submarine was scuttled at Travemünde, Schleswig-Holstein. The wreck was scrapped post-war. (en)
- World War II: The Type XXI submarine was damaged in the Little Belt in a rocket attack by two Bristol Beaufighter aircraft of 236 and 254 Squadrons, Royal Air Force with the loss of thirteen crew. She was consequently scuttled the next day at . (en)
- World War II: The merchant whaler was sunk in the Pacific Ocean east-south-east of Kinkazan, Honshu, Japan by . (en)
- End of World War II: This submarine was scuttled at Kiel. The wreck was scrapped post-war. (en)
- End of World War II: The Type VIIC submarine was scuttled in the Geltinger Bucht. (en)
- World War II: The PP-19-OK-class motor antisubmarine boat was shelled and sunk by . 12 crewmen were killed, 8 were captured the next day. (en)
- End of World War II: The Type VIIC submarine was scuttled off Nazaré, Portugal . All 48 crew survived. (en)
- World War II: The Type C escort ship struck a mine off Sasebo, Nagasaki causing extensive damage to her engines, not repaired and scrapped post-war. (en)
- End of World War II: The Type VIIC submarine was scuttled in Flensburg Fjord . (en)
- End of World War II: The Type XXI submarine was scuttled at Kiel . The wreck was scrapped post-war. (en)
- End of World War II: The Type XXIII submarine was scuttled at Kiel. The wreck was scrapped post-war. (en)
- End of World War II: The Type IXA submarine was scuttled west of Wesermünde, Bremen . The wreck was scrapped in 1948. (en)
- End of World War II: The Type VIIC submarine was scuttled at Travemünde. The wreck was scrapped post-war. (en)
- World War II: The Marinefährprahm was bombed and sunk off Bornholm by Soviet aircraft. (en)
- World War II: The cargo ship was torpedoed and sunk in the Sunda Sea by . (en)
- World War II: The Type XXI submarine was sunk in the Baltic Sea east of Fehmarn by a rocket attack by Hawker Typhoon aircraft of 184 Squadron, Royal Air Force with the loss of 36 of her 60 crew. (en)
- World War II: The Chowa Maru-class transport was torpedoed and sunk in the Pacific Ocean south east of Hokkaido by . Forty-one crewmen were killed. (en)
- World War II: The struck a mine and sank off Swinemünde, Pomerania. (en)
- End of World War II: The Type VIIC submarine was scuttled at Wilhelmshaven, Lower Saxony. (en)
- World War II: The Type 35 torpedo boat was scuttled at Kiel . (en)
- End of World War II: The Type VIIC submarine was scuttled off Schleimünde, Schleswig-Holstein. (en)
- World War II: The KSK-2-class naval drifter/submarine chaser was scuttled on this date. (en)
- World War II: The Odesskiy Patriot TK-7-class motor torpedo boat was sunk by a Soviet Air Force Lavochkin La-5 aircraft off Libau. Two crewmen wounded. (en)
- End of World War II: The Type VIIC submarine was scuttled at Kiel. The wreck was scrapped post-war. (en)
- World War II: The was torpedoed and sunk in the Yellow Sea by . Lost with all 226 hands. (en)
- World War II: The MS 11-class MS boats were reported scuttled at Alto Tirino, Abruzzo, Italy sometime in May. (en)
- The non-self-propelled open lighter was wrecked off Biorka Island near Sitka, Territory of Alaska. (en)
- End of World War II: The Type XXI submarine was scuttled off Ærø, Denmark . The wreck was scrapped in 1950. (en)
- World War II: The fishing vessel was torpedoed and sunk in the Pacific Ocean off Honshu by . (en)
- The cargo ship was beached in Gunna Sound, Inner Hebrides. (en)
- World War II: The torpedo recovery vessel, a former V150-class torpedo boat, was bombed and sunk by Soviet aircraft at Swinemunde. (en)
- World War II: The Type IXC/40 submarine was depth charged, hedgehogged and sunk in the Atlantic Ocean off Point Judith, Rhode Island, United States by and with the loss of all 55 crew. (en)
- The Artilleriefährprahm was sunk on this date. (en)
- The Vorpostenboot was lost sometime in May. (en)
- The landing craft tank was lost on this date. (en)
- The naval trawler was lost sometime in May. (en)
- World War II: The Type VIIC submarine was bombed and damaged in the Geltinger Bucht and was consequently scuttled. The wreck was scrapped in 1948. (en)
- World War II: The cargo ship was sunk in the Kattegat off Årø, Denmark by de Havilland Mosquito aircraft of Coastal Command, Royal Air Force. (en)
- World War II: The was scuttled at Trieste. (en)
- Operation Regenbogen: The Type VIIA submarine was scuttled at Flensburg, Schleswig-Holstein. The wreck was raised and scrapped in 1948. (en)
- End of World War II: The Type VIIC submarine was scuttled off Kiel with the loss of 23 of her 41 crew. The wreck was raised in 1947 and scrapped. (en)
- World War II: The gunboat was sunk in the Kattegat off Årø by de Havilland Mosquito aircraft of Coastal Command. (en)
- World War II: The KSK-2-class naval drifter/submarine chaser was scuttled on this date. (en)
- World War II: The struck a mine in the North Sea off Ostend, West Flanders, Belgium and was damaged. She was declared a constructive total loss. (en)
- End of World War II: The Type VIIC submarine was scuttled at Wilhelmshaven. (en)
- The Type 1939/40 Schnellboots sank each other in a collision in Fehmarnsund. (en)
- The cargo ship collided with in Dutch Harbor, Alaska Territory, United States and was beached to avoid sinking. (en)
- End of World War II: The Type VIIC submarine was scuttled in Küpfermühlen Bay. The wreck was scrapped post-war. (en)
- World War II: The flak ship was damaged by British aircraft and beached at Solvær, Norway. Later refloated and returned to the Royal Norwegian Navy later in the year and was broken up. (en)
- End of World War II: The Type VIIC submarine was scuttled at Vegesack, Bremen. The wreck was scrapped in 1947. (en)
- World War II: The cargo ship was bombed and sunk by Allied aircraft off Makassar, Netherlands East Indies. (en)
- End of World War II: The Type VIIC submarine was scuttled at Horup Haff . The wreck was raised and scrapped in 1948. (en)
- End of World War II: The Type XXI submarine was scuttled at Wesermünde, Bremen. The wreck was scrapped post-war. (en)
- End of World War II: The Type VIIC submarine was scuttled off Kiel. The wreck was scrapped in 1946. (en)
- World War II: The coaster was bombed and sunk off Langesund, Norway by Bristol Beaufighter aircraft of 236 and 254 Squadrons, Royal Air Force. (en)
- World War II: The cargo liner was bombed and sunk in the Bay of Lübeck off Neustadt by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The cargo ship was sunk in the Baltic Sea by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The KSK-2-class naval drifter/patrol ship was scuttled on this date. (en)
- End of World War II: The Type VIIC submarine was scuttled in the Geltinger Bucht with the loss of a crew member. (en)
- End of World War II: The Type VIIC/41 submarine was scuttled in Flensburger Fjord. The wreck was scrapped post-war. (en)
- End of World War II: The Type IIC submarine was scuttled at Wilhelmshaven. (en)
- The cargo ship was sunk in the western half of the Tsushima Strait in a collision with . (en)
- World War II: The Type R-218 minesweeper was scuttled at Kiel. (en)
- End of World War II: The Type XXI submarine was scuttled at Hamburg. The wreck was scrapped post-war. (en)
- World War II: The incomplete Type 1936B destroyer was scuttled in the Geltinger Bucht. (en)
- World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean by with the loss of all 54 crew. (en)
- World War II: The Type VIIC/41 submarine was damaged in a rocket attack by Hawker Typhoon aircraft of 245 Squadron, Royal Air Force. She was consequently scuttled in the Trave River off Lübeck with the loss of two of her crew. The wreck was raised in May 1946 and scrapped. (en)
- World War II: The was torpedoed and sunk in the Gulf of Thailand by . She sank offshore, survivors refused rescue by USS Hawkbill and an unknown number of survivors, including her captain, swam to shore. 70 crew were killed. (en)
- End of World War II: The Type IIC submarine was scuttled at Kiel. (en)
- The motor gun boat was wrecked off Aberdeen, Scotland. (en)
- World War II: The Type XVIIA submarine was scuttled off Rendsborg, Schleswig-Holstein . (en)
- The hospital ship ran aground off Himeshima. Refloated and repaired sometime in 1945 and put in commercial service post-war. (en)
- World War II: The Type VIIC submarine was scuttled in the Nord-Ostsee Kanal at Audorf, Schleswig-Holstein . (en)
- World War II: The Fairmile D motor torpedo boat was destroyed by an explosion at Fosnavåg, Norway. (en)
- World War II: The Artilleriefährprahm was sunk by American tanks on the Danube, km 2091. (en)
- End of World War II: The Type XXI submarine was scuttled near Keil. The wreck was scrapped post-war. (en)
- World War II: The Type VIIC submarine was depth charged and sunk in the Kattegat east of Aarhus, Denmark by Consolidated B-24 Liberator aircraft of 547 Squadron Royal Air Force with the loss of 24 crew. (en)
- World War II: The cargo ship was sunk by a mine off Araxos, Greece. Five crewmen were lost. (en)
- World War II: The was scuttled off Kiel, Schleswig-Holstein. (en)
- World War II: The Type VIIC submarine was scuttled off Wilhelmshaven, Lower Saxony . (en)
- World War II: The guardboat was sunk in the Pacific Ocean north of the Bonin Islands by . (en)
- End of World War II: The was scuttled in Heikendorf Bay, Kiel . The wreck was salvaged and scrapped post-war. (en)
- World War II: The was torpedoed and sunk in the Java Sea by . (en)
- The K-18-class river minesweeping launch was sunk on this date. (en)
- World War II: The Daifuku Maru No. 1-class transport was sunk in the Inland Sea of Japan off the Wada-misaki Lighthouse, near Kobe by a mine. (en)
- World War II: The cargo ship was sunk in the Baltic Sea off Fehmarn by Hawker Typhoon aircraft of the Second Tactical Air Force. She had around 800 refugees aboard but there were no casualties. (en)
- End of World War II: The Type VIIC submarine was scuttled in the Geltinger Bucht. The wreck was scrapped post-war. (en)
- World War II: The Type VIIC submarine was scuttled at Kiel. The wreck was scrapped post-war. (en)
- End of World War II: The Type XVIIA submarine was scuttled in the Geltinger Bucht. (en)
- End of World War II: The was scuttled at Kiel. The wreck was scrapped post-war. (en)
- The landing craft tank ran aground and sank off California. (en)
- End of World War II: The Type VIIC/41 submarine was scuttled off Warnemünde . The wreck was raised in October 1952 and scrapped. (en)
- World War II: The Marinefährprahm was bombed and sunk off Bornholm, Denmark by Soviet aircraft. (en)
- World War II: The Type VIIC/41 submarine was depth charged and damaged in the Kattegat by a Consolidated B-24 Liberator aircraft of 86 Squadron, Royal Air Force with the loss of six of her 50 crew. She was consequently scuttled the next day . (en)
- World War II: The boat was sunk off the Kuril Islands by . (en)
- World War II: The Type D Marinefahrprahm was surrendered in early May and wrecked sometime later in May. (en)
- World War II: The gunboat was bombed and sunk by Allied aircraft off Aarhus, Denmark. 63 crew were killed. (en)
- End of World War II: The Type XVIIB submarine was scuttled at Cuxhaven, Lower Saxony. The wreck was later raised and used by the United States Navy. Scrapped in 1948. (en)
- World War II: The was sunk in the Pacific Ocean off Okinawa by a Japanese kamikaze attack. (en)
- World War II: The was scuttled at Kiel, Schleswig-Holstein, sometime in May. Later scrapped. (en)
- World War II: The cargo ship was bombed and damaged in the Baltic Sea off Fehmarn, Schleswig-Holstein by Hawker Typhoon aircraft of 193 Squadron, Royal Air Force. She was beached and burnt out. (en)
- World War II: The cargo ship was sunk in Fehmarnsund by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- End of World War II: The Type VIIC submarine was scuttled off Kiel . The wreck was raised in 1947 and scrapped. (en)
- World War II: The Type 1940 minesweeper was scuttled at Lübeck, or sunk by Soviet Ilyushin Il-2 and Douglas A-20 Havoc aircraft. (en)
- World War II: The tug was shelled, captured and scuttled off Gotland, Sweden by Soviet Navy vessels. Three tugs, two schooners and a barge were also scuttled by the Soviets. (en)
- World War II: The training ship, a former , struck a mine and was bombed by Soviet Douglas A-20 Havoc and Ilyushin Il-2 aircraft and was beached at Zinnowitz, Mecklnburg-Vorpommern. The wreck was broken up in 1949–1956. (en)
- End of World War II: The Type XXI submarine was scuttled east of Fehmarn . (en)
- World War II: The guardboat was torpedoed and sunk in the Java Sea by . (en)
- World War II: The transport was bombed and sunk in Kataoka Bay, Shimushu Ialand by Consolidated B-24 Liberator aircraft of the United States Eleventh Air Force. (en)
- World War II: The auxiliary gunboat was torpedoed and sunk off the Kuril Islands by . (en)
- World War II: The minesweeper was scuttled at Lübeck. (en)
- World War II: The prisoner ship was sunk in the Bay of Lübeck off Neustadt by Hawker Typhoon aircraft of the Second Tactical Air Force. 2,750 prisoners lost their lives, with 50 surviving the sinking. Raised and repaired in 1949. (en)
- End of World War II: The Type VIIC submarine was scuttled in the Wasserlebenbucht . (en)
- World War II: The was sunk in the East China Sea west of the Satsunan Islands by aircraft based on and . (en)
- World War II: The was torpedoed and sunk in the Pacific Ocean south east of Okinawa by a Grumman TBM Avenger aircraft based on . Seventy-six crewmen and five Kaiten pilots were killed. (en)
- World War II: The cargo ship was torpedoed and sunk in the Bay of Thailand by . 18 crewmen and two gunners were killed. (en)
- Endo of World War II: The Type XXI submarine was scuttled in Wasserleben Bay. The wreck was scrapped post-war. (en)
- The Type D Marinefahrprahm was sunk sometime in May. (en)
- World War II: The cargo ship struck a mine and was run aground west of Shimonoseki, Japan . Three crewmen were killed. (en)
- World War II: The Schnellboot was bombed and damaged at Kiel by de Havilland Mosquito aircraft of the Royal Air Force. she was scuttled due to damage sustained. (en)
- End of World War II: The Type VIIC/41 submarine was scuttled at Kiel. The wreck was scrapped post-war. (en)
- World War II: The training ship, a former G-7-class torpedo boat, was scuttled, at Travemunde. (en)
- World War II: Two motorboats were captured by . Prisoners of war were removed and boats abandoned to sink. (en)
- World War II: The Sperrbrecher was sunk while still under conversion from a cargo ship. (en)
- The FR 7-class river minesweeper was lost sometime in May. (en)
- World War II: The collier was torpedoed and sunk in of water in the Atlantic Ocean east of Point Judith, Rhode Island by the submarine with the loss of 12 of her 46 crew. Survivors were rescued by the steamship , the motor vessel and United States Navy crash boats. Black Point was the last American ship sunk by a Kriegsmarine U-boat. (en)
- World War II: The was torpedoed and sunk in the Yellow Sea by . (en)
- World War II: The cargo ship was sunk in the Bay of Kiel by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- The H-35-class motor gunboat was lost on this date. (en)
- World War II: The transport struck a mine and sank off Shimonoseki. Raised in 1946 and repaired by 1949 and put in commercial service. (en)
- End of World War II: The Type XXI submarine was scuttled at Eckernförde. The wreck was scrapped post-war. (en)
- End of World War II: The Type VIIC/41 submarine was scuttled in the Geltinger Bucht. The wreck was scrapped post-war. (en)
- World War II: The fast tug, , was bombed and sunk off "Laland" by Allied aircraft. (en)
- End of World War II: The Type VIIC submarine was scuttled at Eckernförde . (en)
- The 14-gross register ton, motor cargo vessel was wrecked on the coast of Guide Island in Southeast Alaska, northwest of Sitka, Territory of Alaska. (en)
- End of World War II: The Type VIIC submarine ran aground and was scuttled at Amrum, Schleswig-Holstein . (en)
- End of World War II: The Type IIC submarine was scuttled at Kiel, Schleswig-Holstein. (en)
- World War II: The Fairmile B motor launch was mined and sunk in the Adriatic Sea off Novigrad, Yugoslavia . (en)
- World War II: The cargo ship was bombed and sunk in the Bay of Kiel by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The ran aground off Okinawa, refloated later and scuttled. (en)
- World War II: Convoy RU 161: The tanker was torpedoed and damaged in the Atlantic Ocean west north west of Akranes, Iceland by . She was abandoned by her 46 crew, but later reboarded by 34 of them. The others were rescued by . Empire Unity was towed to Hvalfjordur by . Later repaired and returned to service. (en)
- End of World War II: The Type IXC/40 submarine was scuttled at Hörup, Schleswig-Holstein. (en)
- World War II: The cargo ship was torpedoed and sunk in the Java Sea by . Later salvaged and returned to service. (en)
- End of World War II: The Type XXI submarine was scuttled at Kiel. (en)
- End of World War II: The Type VIIC submarine was scuttled in Kupfermühlen Bay. (en)
- End of World War II: The Type VIIC submarine was scuttled at Wesermünde . The wreck was scrapped in 1948. (en)
- End of World War II: The Type VIIC submarine was scuttled in the Geltinger Bucht. The wreck was later scrapped. (en)
- End of World War II: The Type XXIII submarine was scuttled at Hamburg. The wreck was scrapped post-war. (en)
- World War II: The incomplete Type 1940 minesweeper was scuttled. (en)
- End of World War II: The Type XXI submarine was scuttled in the Skagerrak east north east of Aarhus, Denmark . The wreck was raised in 1952 and scrapped. (en)
- End of World War II: The Type VIIC submarine was scuttled at Wilhelmshaven. The wreck was scrapped in 1947. (en)
- World War II: The was sunk in the Pacific Ocean off the Kerama Islands by a kamikaze aircraft attack with the loss of 126 of her 312 crew. (en)
- The Type D Marinefahrprahm was scuttled in Korneuburg, on the Danube, sometime in May. (en)
- End of World War II: The Type IXA submarine was scuttled in Sonderberg Bay . The wreck was later scrapped. (en)
- World War II: The KSK-2-class naval drifter/patrol ship was scuttled in May. (en)
- World War II: The coaster was sunk in the Bay of Kiel by Hawker Typhoon aircraft of the Second Tactical Air Force, Royal Air Force. (en)
- End of World War II: The Type VIIC submarine was scuttled at Kiel. The wreck was scrapped in 1947. (en)
- World War II: The minesweeper was sunk in the Kattegat by de Havilland Mosquito aircraft of the Royal Air Force. (en)
- World War II: The coaster was bombed and sunk in the Baltic Sea off Fehmarn by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- End of World War II: The Type VIIC submarine was scuttled of Wilhelmshaven . (en)
- En of World War II: The Type VIIC submarine was scuttled at Hamburg. (en)
- World War II: The Artilleriefährprahm was sunk by American tanks on the Danube, km 2086. (en)
- End of World War II: The Type XXI submarine was scuttled in Eckernförde Bay . (en)
- World War II: The coaster struck a mine and sank in Sognefjord, Norway with the loss of a crew member. (en)
- End of World War II: The Type XXI submarine was scuttled at Kiel, Schleswig-Holstein. (en)
- World War II: The _target ship was sunk off Fehmarn by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The Type 1940 minesweeper was bombed and sunk in the Kattegat by de Havilland Mosquito aircraft of 143, 235, 248, 333 Squadrons, Royal Air Force and 404 Squadron, Royal Canadian Air Force. (en)
- World War II: The refugee transport was bombed and sunk by Soviet Douglas A-20 Havoc aircraft off Swinemünde, Pomerania. (en)
- World War II: The naval trawler was mined and sunk in the Adriatic Sea . (en)
- World War II: The Type IXC/40 submarine was depth charged and sunk in the Kattegat by Consolidated B-24 Liberator aircraft of 86 Squadron, Royal Air Force with the loss of three of her 42 crew. (en)
- End of World War II: The Type VIIC/41 submarine was scuttled in Flensburg Fjord. The wreck was scrapped in 1948. (en)
- World War II: The incomplete was scuttled at Fiume, Italy. Raised post war, completed and put in service as . (en)
- End of World War II: The Type XXIII submarine was scuttled in the Geltinger Bucht. The wreck was scrapped post-war. (en)
- World War II: The PiLB 43 type landing craft was sunk by Soviet aircraft. (en)
- End of World War II: The Type VIIC/41 submarine was scuttled at Wesermünde . The wreck was scrapped in 1948. (en)
- End of World War II: The Type XXIII submarine was scuttled at Hörup ). The wreck was scrapped post-war. (en)
- World War II: The was sunk in the Pacific Ocean off Okinawa, Japan by a kamikaze aircraft attack. (en)
- World War II: The cargo ship was sunk in the Baltic Sea off Fehmarn by Hawker Typhoon aircraft of the Second Tactical Air Force. (en)
- World War II: The Type C escort ship was torpedoed and sunk in the Yellow Sea by with all 175 hands. (en)
- World War II: The , having been damaged by a mine the previous day, was bombed and sunk by Soviet aircraft off Swinemünde, Pomerania. 63 killed. (en)
- World War II: The cargo ship struck a mine and sank off Niigata. (en)
- World War II: The cargo ship was torpedoed and sunk in the Baltic Sea by Soviet Douglas A-20 Havoc aircraft. 300 killed. (en)
- World War II: The was mined and sunk in the Kanmon Strait . Forty-three crewmen were listed as missing. (en)
- World War II:The Design 381 Coastal Freighter was torpedoed and sunk just after Midnight while anchored off Tolomo Port, Tolomo Bay, Davao Gulf, Philippines. 4 crewmen killed, survivors rescued by . (en)
- World War II: The TM-class motor torpedo boat was sunk west of Trieste, Italy by Yugoslav Partisan mortar fire. Three crewmen were killed. (en)
- World War II: The incomplete Type D Marinefahrprahm was sunk at an unknown shipyard. (en)
- The Type AM minelayer Marinefahrprahm was sunk by a mine near Kolberg with the loss of 11 lives. (en)
- World War II: The cargo ship was torpedoed and sunk in the Yellow Sea or East China Sea by . (en)
- World War II: A tug, a barge and two schooners were sunk with depth charges when they refused to surrender to SK-175 and MO-543 . (en)
- World War II: The Type R-41 minesweeper was scuttled at Kiel, Schleswig-Holstein. (en)
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