Battle of the Gulf of Riga

Battle of the Gulf of Riga
	Part of World War I
	; Russian battleship Slava, circa 1915
Date	8–20 August 1915
Location	Gulf of Riga, Baltic Sea
Result	Entente victory
Belligerents
Russia Imperial Navy ; ; United Kingdom Royal Navy ; ;	Germany Imperial Navy ; ;
Commanders and leaders
Vice-Adm. Vasily Kanin ; Capt. 1st rank Pyotr Trukhachyov ; Counter Adm. Andrey Maximov	Ehrhard Schmidt
Strength
1 battleship ; 1 armoured cruiser ; 16 destroyers ; 4 gunboats ; 1 minelayer ; 6 submarines	4 battleships ; 3 battlecruisers ; 1 armoured cruiser ; 5 light cruisers ; 56 torpedo boats ; 14 minesweepers
Casualties and losses
150 killed, wounded and captured ; 2 gunboats sunk ; 1 battleship damaged ; 1 destroyer damaged	65 killed and wounded ; 1 torpedo boat sunk ; 2 minesweepers sunk ; 1 battlecruiser damaged

Last updated May 13, 2024

The Battle of the Gulf of Riga was a World War I naval operation of the German High Seas Fleet against the Russian Baltic Fleet in the Gulf of Riga in the Baltic Sea in August 1915. The operation's objective was to destroy the Russian naval forces in the Gulf in preparation for landing German troops to facilitate the fall of Riga in the later stages of the Central Powers' offensive on the Eastern Front in 1915. The German fleet, however, failed to achieve its objective and was forced to return to its bases; Riga remained in Russian hands until it fell to the German Army on 1 September 1917.

Prelude

In early August 1915, several powerful units of the German High Seas Fleet were transferred to the Baltic to participate in the foray into the Riga Gulf. The intention was to destroy the Russian naval forces in the area, including the pre-dreadnought battleship Slava, and to use the minelayer Deutschland to block the entrance to Moon Sound with mines. The German naval forces, under the command of Vice Admiral Franz von Hipper, included the four Nassau-class and four Helgoland-class battleships, the battlecruisers SMS Moltke, Von der Tann, and Seydlitz, and a number of smaller craft.^[1]

Battle

On 8 August, the first attempt to clear the gulf was made; the old pre-dreadnought battleships SMS Braunschweig and Elsass kept Slava at bay while minesweepers cleared a path through the inner belt of mines. During this period, the rest of the German fleet remained in the Baltic and provided protection against other units of the Russian fleet. However, the approach of nightfall meant that Deutschland would be unable to mine the entrance to the Suur Strait in time, and so the operation was broken off.^[2]

In the meantime, the German armored cruisers SMS Roon and Prinz Heinrich were detached to shell the Russian positions on the Sõrve Peninsula in the south of the island of Saaremaa. Several Russian destroyers were anchored off Sõrve, and one was slightly damaged during the bombardment. The battlecruiser Von der Tann and the light cruiser SMS Kolberg were sent to shell the island of Utö.^[3]

On 16 August, a second attempt was made to enter the gulf. The dreadnoughts SMS Nassau and Posen, four light cruisers, and 31 torpedo boats breached the defenses to the gulf.^[3] On the first day of the assault, the German minesweeper T46 was sunk, as was the destroyer V99. On 17 August, Nassau and Posen engaged in an artillery duel with Slava, resulting in three hits on the Russian ship that prompted her withdrawal. After three days, the Russian minefields had been cleared, and the flotilla entered the gulf on 19 August, but reports of Allied submarines in the area prompted a German withdrawal from the gulf the following day.^[4]

Throughout the operation, the German battlecruisers remained in the Baltic and provided cover for the assault into the Gulf of Riga. On the morning of 19 August, Moltke was torpedoed by the British E-class submarine HMS E1; the torpedo was not spotted until it was approximately 200 yd (180 m) away. Without time to manoeuver, the ship was struck in the bow torpedo room. The explosion damaged several torpedoes in the ship, but they did not detonate themselves. Eight men were killed, and 435 t (480 short tons ) of water entered the ship. The ship was repaired at Blohm & Voss in Hamburg, between 23 August and 20 September.^[5]

Four large, flat-bottomed barges loaded with German troops attempted to land at Pernau on 20 August, but were repelled by small Russian warships. The Russian gunboat Sivuch was destroyed in an engagement with the German light cruiser Augsburg and eight destroyers.^[6]

Order of battle

Russia

Battleship: Slava
Cruiser: Rurik
Gunboats: Grozyashchiy, Khrabry, Sivuch, Korietz
Minelayer: Amur
Flotilla of 16 destroyers
Submarines: Kaiman, Alligator, Krokodil, Drakon

Germany

Battleships: SMS Nassau, SMS Posen, SMS Braunschweig, SMS Elsass
Battlecruiser: SMS Moltke, SMS Seydlitz, SMS Von der Tann
Cruisers: SMS Augsburg, SMS Bremen, SMS Graudenz, SMS Pillau, SMS Roon, SMS Prinz Heinrich
Minelayer: SMS Albatross
Flotilla of 56 destroyers

Notes

↑ Halpern, p. 196
↑ Halpern 1995, pp. 196–197
1 2 Halpern 1995, p. 197
↑ Halpern 1995, pp. 197–198
↑ Staff 2006, p. 15
↑ Halsey, Francis Whiting (1920). The Literary Digest History of the World War. Vol. X: The Naval Battles Off Heligoland, South America, the Dogger Bank, and Jutland... New York: Funk & Wagnalls Company. pp. 35–37. OCLC 1101507660.

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SMS <i>Augsburg</i> Light cruiser of the German Imperial Navy

SMS Augsburg was a Kolberg-class light cruiser of the German Kaiserliche Marine during the First World War. She had three sister ships, SMS Kolberg, Mainz, and Cöln. The ship was built by the Kaiserliche Werft in Kiel; her hull was laid down in 1908 and she was launched in July 1909. Augsburg was commissioned into the High Seas Fleet in October 1910. She was armed with a main battery of twelve 10.5 cm SK L/45 guns and had a top speed of 25.5 knots.

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References

Halpern, Paul G. (1995). A Naval History of World War I. Annapolis: Naval Institute Press. ISBN 1-55750-352-4.
Staff, Gary (2006). German Battlecruisers: 1914–1918. Oxford: Osprey Books. ISBN 978-1-84603-009-3.

External links

Account of Russian WWI naval operations in the Baltic Sea Archived 2016-11-14 at the Wayback Machine

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[1] Halpern, p. 196

[2] Halpern 1995, pp. 196–197

[Halpern197-3] 1 2 Halpern 1995, p. 197

[4] Halpern 1995, pp. 197–198

[5] Staff 2006, p. 15

[6] Halsey, Francis Whiting (1920). The Literary Digest History of the World War. Vol. X: The Naval Battles Off Heligoland, South America, the Dogger Bank, and Jutland... New York: Funk & Wagnalls Company. pp. 35–37. OCLC 1101507660.

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