SMS Breslau

SMS Breslau
Bundesarchiv DVM 10 Bild-23-61-22, Kleiner Kreuzer "SMS Breslau".jpg
SMS Breslau in 1912
Career (German Empire)
Name: Breslau
Namesake: City of Breslau
Builder: A.G. Vulcan
Laid down: 1910
Launched: 16 May 1911
Commissioned: 10 May 1912
Fate: Transferred to the Ottoman Empire 16 August 1914
Career (Ottoman Empire)
Name: Midilli
Namesake: Island of Midilli
Acquired: 16 August 1914
Fate: Mined & sunk off Imbros, 20 January 1918
General characteristics
Class and type: Magdeburg-class cruiser
Displacement: 4,570 t (4,500 long tons)
Length: 138.7 m (455 ft 1 in)
Beam: 13.5 m (44 ft 3 in)
Draft: 4.4 m (14 ft 5 in)
Installed power: 25,000 shp (19,000 kW)
Propulsion: 2 shafts
2 AEG-Vulcan steam turbines
16 water-tube boilers
Speed: 27.5 knots (50.9 km/h; 31.6 mph)
Range: 5,820 nmi (10,780 km; 6,700 mi) at 12 knots (22 km/h; 14 mph)
Complement: 18 officers
336 enlisted
Armament: As constructed
12 × 10.5 cm SK L/45 guns
120 mines
2 × 50 cm (19.7 in) torpedo tubes
After 1917
8 × 15 cm SK L/45 guns
120 mines
2 × 50 cm torpedo tubes
Armor: Belt: 60 mm (2.4 in)
Conning tower: 100 mm (3.9 in)

SMS Breslau was a Magdeburg-class light cruiser of the German Kaiserliche Marine (Imperial Navy), built in the early 1910s. Following her commissioning, Breslau and the battlecruiser Goeben were assigned to the Mittelmeerdivision in response to the Balkan Wars. After evading British warships in the Mediterranean to reach Constantinople, Breslau and Goeben were transferred to the Ottoman Empire in August 1914, to entice the Ottomans to join the Central Powers in World War I. The two ships, along with several other Ottoman vessels, raided Russian ports in October 1914, prompting a Russian declaration of war. The ships were renamed Midilli and Yavuz Sultan Selim, respectively, and saw extensive service with the Ottoman fleet, primarily in the Black Sea against the Russian Black Sea Fleet.

Midilli was active in laying minefields off the Russian coast, bombarding Russian ports and installations and, because of a shortage of Ottoman merchant ships, transporting troops and supplies to the Black Sea ports supplying Ottoman troops fighting in the Caucasus Campaign. She was lightly damaged several times by Russian ships, but the most serious damage was inflicted by a mine in 1915, which kept her out of service for half of a year. The ship was mined and sunk in January 1918 during the Battle of Imbros, with the loss of the vast majority of her crew.



Breslau in the Kaiser Wilhelm Canal, passing underneath the Levensau High Bridge

Breslau was ordered under the contract name "Ersatz AG Vulcan shipyard in Stettin in 1910. She was launched on 16 May 1911, after which fitting-out work commenced. She was commissioned into the High Seas Fleet on 20 August 1912.[1] The ship was 138.7 meters (455 ft) long overall and had a beam of 13.5 m (44 ft) and a draft of 4.4 m (14 ft) forward. She displaced 4,570 t (4,500 long tons; 5,040 short tons) at full combat load.[2] Her propulsion system consisted of two sets of AEG-Vulcan steam turbines driving two 3.4-meter (11 ft) propellers. They were designed to give 25,000 shaft horsepower (19,000 kW), but reached 33,482 shp (24,968 kW) in service. These were powered by sixteen coal-fired Marine-type water-tube boilers, although they were later altered to use fuel oil that was sprayed on the coal to increase its burn rate. These gave the ship a top speed of 27.5 knots (50.9 km/h; 31.6 mph). Breslau carried 1,200 tonnes (1,200 long tons) of coal, and an additional 106 tonnes (104 long tons) of oil that gave her a range of approximately 5,820 nautical miles (10,780 km; 6,700 mi) at 12 knots (22 km/h; 14 mph). Breslau had a crew of 18 officers and 336 enlisted men.[3]

The ship was armed with twelve 10.5 cm SK L/45 guns in single pedestal mounts. Two were placed side by side forward on the forecastle, eight were located amidships, four on either side, and two were side by side aft.[4] The guns had a maximum elevation of 30 degrees, which allowed them to engage targets out to 12,700 m (41,700 ft).[5] They were supplied with 1,800 rounds of ammunition, for 150 shells per gun. By 1917, the 10.5 cm guns were replaced with eight 15 cm SK L/45 guns, one fore and aft and three on each broadside. She was also equipped with a pair of 50 cm (19.7 in) torpedo tubes with five torpedoes submerged in the hull on the broadside. She also could also carry 120 mines. The ship was protected by a waterline armored belt that was 60 mm (2.4 in) thick amidships. The conning tower had 100 mm (3.9 in) thick sides, and the deck was covered with up to 60 mm thick armor plate.[1]

Service history

Breslau at sea, c. 1912–1914

Following her commissioning in 1912, Breslau was attached to the German Mittelmeerdivision (Mediterranean Division) along with the battlecruiser Goeben under the command of Admiral Wilhelm Souchon. The German Navy decided it needed a permanent naval presence in the Mediterranean in the aftermath of the Balkan Wars that began in 1912.[6] Karl Dönitz, the future Grand Admiral during World War II, served aboard Breslau from 1912 to 1916.[7] At the outbreak of World War I, Breslau and Goeben were to interdict French transports transferring troops from Algeria to France. On 3 August 1914, Souchon's two ships were steaming off Algeria; shortly after 06:00, Breslau bombarded the embarkation port of Bône while Goeben attacked Philippeville.[8] The attacks caused minimal damage, however, and Souchon quickly broke off and returned to Messina to replenish his coal stocks.[8]

Although the British were not yet at war with Germany, the two British battlecruisers HMS Indomitable and Indefatigable shadowed the German ships while en route to Messina. After partially replenishing Goeben's coal on the 5th, Souchon arranged to meet a collier in the Aegean.[9] Goeben and Breslau left port the following morning bound for Constantinople, pursued by the British Mediterranean Fleet.[10] That evening, the 1st Cruiser Squadron, commanded by Rear Admiral Ernest Troubridge, intercepted the Germans; Breslau briefly exchanged fire with the light cruiser Gloucester before Troubridge broke off the attack, fearing Goeben's powerful 28 cm (11 in) guns.[11]

On 8 August, Goeben and Breslau met the collier off the island of Donoussa near Naxos, and two days later they entered the Dardanelles.[11] To circumvent neutrality requirements, Germany transferred the two ships to the Ottoman Navy on 16 August, though the supposed sale was simply a ruse. On 23 September, Souchon accepted an offer to command the Turkish fleet. Breslau was renamed Midilli while Goeben was renamed Yavuz Sultan Selim; their German crews remained with the ships and donned Ottoman uniforms and fezzes.[12] The British did not accept the sale of the ships to the Ottoman Empire and stationed a blockading force outside the Dardanelles with orders to attack the ships if they appeared, regardless of the flag they flew.[13]

Ottoman service

Breslau, flying the Turkish flag as Midilli

On the evening of 27 October, Midilli and the rest of the Ottoman fleet left the Bosporus and steamed into the Black Sea, ostensibly to conduct maneuvers. Instead, the fleet split into four groups to attack Russian bases on the other side of the Black Sea; Midilli and another cruiser were tasked with mining the Strait of Kerch and then attacking the port of Novorossisk.[13] Midilli laid sixty mines in the Strait,[14] which later claimed two Russian merchant ships,[15] and then joined the other ship in bombarding Novorossisk. They set the port's oil tanks on fire, damaged seven merchant ships, and sank Nikolai of 1,085 gross register tons (GRT).[14] Although the damage inflicted on the Russians was relatively light, it forced the Russians to declare war on the Ottoman Empire, bringing the country into the war on the side of Germany.[16]

In early November 1914, while Midilli was operating in the eastern Black Sea and covering Ottoman transports, she was detached to shell the Russian port of Poti in retaliation for Russian attacks on Turkish shipping.[17] On 17 November, she sortied with Yavuz Sultan Selim, under the command of Souchon, in an attempt to intercept the Black Sea Fleet as it returned from bombarding Trebizond. Midilli discovered the Russian ships off Cape Sarych, the southern tip of the Crimea in poor visibility at short range. In the resulting engagement, Souchon ordered Midilli to assume a safer position to Yavuz's rear, but she was engaged by the pre-dreadnoughts Tri Sviatitelia and Rostislav without effect before Souchon ordered the Turkish ships to disengage shortly afterward.[18] The cruiser spent the rest of the month escorting shipping to Trebizond. On 5 December, she escorted a small raiding party to Akkerman, Bessarabia, that was intended to attack railroad installations. On the return voyage, Midilli bombarded Sevastopol, damaging some minesweepers at anchor.[19]

A month later, on 23 December, Midilli sortied to rendezvous with Yavuz Sultan Selim off Sinope, and in the darkness the following morning she encountered the Russian transport Oleg, which was intended to be sunk as a blockship in Zonguldak. Midilli quickly sank Oleg but was forced to turn away after spotting Rostislav. She then encountered another blockship, Athos, and forced her crew to scuttle the ship. She then briefly engaged Russian destroyers before moving ahead of the Russian fleet to monitor their progress. Ottoman coastal guns forced the remaining blockships to scuttle in deep water.[20] Midilli conducted a series of sorties against the Russians in early 1915, including an operation in concert with the cruiser Hamidiye in January, during which they inadvertently came into contact with the Black Sea Fleet. Midilli scored a hit on the battleship Evstafi's main battery turret before the Ottoman ships withdrew.[21]

On 3 April, the Ottoman fleet sortied to attack Russian transports off Odessa. Midilli and Yavuz Sultan Selim provided the covering force for the attack, which failed after the cruiser Mecidiye struck a mine and sank off Odessa. The Russian fleet attempted to intercept the Turkish force, but Midilli and Yavuz Sultan Selim were able to escape undamaged. The two ships, joined by Hamidiye, conducted a sweep to attack Russian transports on 6 May, but found no targets.[22] Later that month, detachments of naval infantry from Midilli and Goeben were landed to assist in the defense against the Allied landings at Gallipoli.[23] On the night of 10/11 June, Midilli encountered the Russian destroyers Zonguldak. In a brief firefight, the cruiser crippled Gnevny with a hit in her starboard engine compartment that broke the main steam line to the engines, but was forced to turn away when Gnevny fired five torpedoes at her. Midilli was hit seven times herself with only slight damage and Gnevny was towed back to Sevastopol the following day by Derzki.[24][25]

Sailors from Midilli during the Gallipoli campaign

Midilli struck a mine on 18 July as she sailed from Constantinople to escort a merchant ship through the minefields defending the capital. The explosion under No. 4 boiler room killed eight crewmen and she was flooded with over 600 t (590 long tons) of water. The ship made it to port at İstinye and an inspection revealed that she was not badly damaged. Hampered by a shortage of trained personnel and material, however, the ship's repairs took quite a long time.[26] The ship did not return to service until February 1916, and the opportunity was taken to replace two of her 10.5 cm guns with 15 cm pieces. On 27 February, she was used to quickly transport 71 officers and men of a machine-gun company and a significant stock of supplies and munitions to Trebizond, which was then under heavy pressure from the Russian army. While en route on the night of the 28th, she encountered the Russian destroyers Samsun, where she picked up 30 t (30 long tons; 33 short tons) of flour, one ton of maize, and 30 tons of coal, before returning to the Bosporus.[27][Note 1]

A third supply operation followed on 3 April, when the ship brought 107 men, 5,000 rifles, and 794 cases of ammunition to Trebizond. After making the delivery, the ship met the U-boat U-33 and proceeded to attack Russian forces. Midilli shelled Russian positions at Sürmene Bay, where she set the minesweeper T.233 on fire, which was then destroyed by U-33's deck gun. Midilli then turned north and sank a Russian sailing vessel off Tuapse before running into the powerful dreadnought battleship Imperatritsa Ekaterina Velikaya. Midilli fled at high speed after being straddled several times, though she was not damaged.[29][Note 2] In early May, the cruiser laid two minefields, each of 60 mines. The first of these was laid off the Chilia branch of the Danube River and the other off Cape Tarkhankut in the Crimea. On the second trip she bombarded Eupatoria after laying her mines. Midilli transported more troops to Sinope and Samsun on 30 May, returning with grain and tobacco as deck cargo.[28]

In July, Midilli and Yavuz Sultan Selim sortied to support the Ottoman counterattack at Trebizond, which broke the Russian lines and advanced some 20 km (12 mi). Midilli sank a pair of Russian ships off Sochi on 4 July and destroyed another that had been torpedoed the previous day. She then rejoined Yavuz Sultan Selim for the return to the Bosporus, during which the two ships evaded strong Russian forces attempting to intercept them.[30] Later that month, on 21 July, Midilli attempted to lay a minefield off Novorossisk, but Russian wireless interception allowed the dreadnought Imperatritsa Mariya and several destroyers to leave port and attempt to cut Midilli off from the Bosporus. The two ships encountered each other at 13:05, and Midilli quickly turned back south. Her stern 15 cm gun kept Russian destroyers at bay, but the ship only slowly drew out of range of Imperatritsa Mariya's heavy guns. Several near misses rained shell splinters on the deck and wounded several men. Heavy use of smoke screens and a rain squall allowed Midilli to break contact with her Russian pursuers, and she reached the Bosporus early on the 22nd.[31] By the end of 1916, a severe coal shortage prevented Midilli and Yavuz Sultan Selim from conducting offensive operations.[32]

In May 1917, Midilli laid a minefield off the mouth of the Danube; while there, she destroyed the wireless station on Fidonisi Island and captured 11 prisoners. The minefield she laid later sank the destroyer edit] Battle of Imbros

On 20 January 1918, Midilli and Yavuz Sultan Selim left the Dardanelles under the command of Vice Admiral Hubert von Rebeur-Paschwitz, who had replaced Souchon the previous September. Rebeur-Paschwitz's intention was to draw Allied naval forces away from Palestine in support of Turkish forces there.[37] Outside the straits, in the course of what became known as the Battle of Imbros, the two German ships surprised and sank the monitors Raglan and M28 which were at anchor and unsupported by the pre-dreadnoughts that should have been guarding them. Rebeur-Paschwitz then decided to proceed to the port of Mudros; there the British pre-dreadnought battleship Agamemnon was raising steam to attack the Turkish ships.[38] While en route, Midilli struck several mines and sank;[37] Yavuz hit three mines as well and was forced to beach to avoid sinking.[39] Three hundred and thirty of Midilli's crew were killed in her sinking;[1] 162 survivors were rescued by British destroyers.[40]


  1. ^ Halpern is probably using German sources for this period, but the Turkish sources used by Langensiepen & Güleryüz provide a slightly different account. They refer to carrying troops to Trebizond and oil to Sinope on 27 February with no mention of any encounter with Russian destroyers. Furthermore, "A planned expedition along the Caucasus coast by Midilli is abandoned due to bad weather and the cruiser returns to base on 2 March."[28]
  2. ^ Langensiepen & Güleryüz also give a different account of this affair. They date the resupply mission to 18 April and that T.233 was heavily damaged, but survived. Midilli then sank the sailing ship Nikolay by herself. She encountered the Russian dreadnought on 19 April while returning from from this mission.[28]
  3. ^ Langensiepen & Güleryüz date the minelaying to 23 June and the encounter with Sovodnaya Rossiya to 25 June.[34]
  4. ^ Langensiepen & Güleryüz only describe an unsuccessful search for a pair of Russian destroyers that had destroyed a Turkish convoy on 31 October and make no mention of an attempted Russian interception.[36]


  1. ^ a b c Gröner, p. 107
  2. ^ Gröner, p. 108
  3. ^ Gröner, pp. 107–108
  4. ^ Gardiner & Gray, p. 159
  5. ^ Gardiner & Gray, p. 140
  6. ^ Halpern, p. 15
  7. ^ Zabecki, p. 7
  8. ^ a b Halpern, pp. 51–52
  9. ^ Halpern, p. 52
  10. ^ Bennett, pp. 33–34
  11. ^ a b Halpern, p. 56
  12. ^ Halpern, pp. 57–58
  13. ^ a b Halpern, p. 63
  14. ^ a b Langensiepen & Güleryüz, p. 45
  15. ^ Nekrasov, p. 25
  16. ^ Halpern, p. 64
  17. ^ Halpern, p. 224
  18. ^ McLaughlin, pp. 123–133
  19. ^ Langensiepen & Güleryüz, p. 46
  20. ^ Halpern, p. 228
  21. ^ Halpern, pp. 228–229
  22. ^ Halpern, p. 231
  23. ^ Herwig, p. 171
  24. ^ Langensiepen & Güleryüz, p. 48
  25. ^ Nekrasov, pp. 59–60
  26. ^ Langensiepen & Güleryüz, p. 49
  27. ^ Halpern, pp. 241–242
  28. ^ a b c Langensiepen & Güleryüz, p. 50
  29. ^ Halpern, pp. 242–243
  30. ^ Halpern, p. 245
  31. ^ Halpern, p. 246
  32. ^ Halpern, p. 248
  33. ^ Halpern, p. 253
  34. ^ Langensiepen & Güleryüz, p. 52
  35. ^ Halpern, p. 254
  36. ^ Langensiepen & Güleryüz, p. 53
  37. ^ a b Halpern, p. 255
  38. ^ Buxton, pp. 36–37
  39. ^ Gardiner and Gray, p. 152
  40. ^ Langensiepen & Güleryüz, p. 32


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Coordinates: 40°3′42″N 25°58′42″E / 40.06167°N 25.97833°E / 40.06167; 25.97833

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