SMS Kaiserin
Encyclopedia
SMS Kaiserin ("His Majesty's Ship Empress")"SMS" stands for "Seiner Majestät Schiff
Seiner Majestät Schiff
Seiner Majestät Schiff was the ship prefix used by the Prussian Maritime Enterprise , the Prussian Navy, the Imperial German Navy and the Austro-Hungarian Navy...

"
was the third vessel of the of battleship
Battleship
A battleship is a large armored warship with a main battery consisting of heavy caliber guns. Battleships were larger, better armed and armored than cruisers and destroyers. As the largest armed ships in a fleet, battleships were used to attain command of the sea and represented the apex of a...

s of the German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 Imperial Navy
Kaiserliche Marine
The Imperial German Navy was the German Navy created at the time of the formation of the German Empire. It existed between 1871 and 1919, growing out of the small Prussian Navy and Norddeutsche Bundesmarine, which primarily had the mission of coastal defense. Kaiser Wilhelm II greatly expanded...

. Kaiserins keel was laid in November 1910 at the Howaldtswerke
Howaldtswerke
Howaldtswerke-Deutsche Werft is a German shipbuilding company, headquartered in Kiel. In 2009 it was the largest shipyard in Germany and has more than 2,400 employees. It has been part of ThyssenKrupp Marine Systems owned by ThyssenKrupp, since 2005...

 dockyard in Kiel
Kiel
Kiel is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 238,049 .Kiel is approximately north of Hamburg. Due to its geographic location in the north of Germany, the southeast of the Jutland peninsula, and the southwestern shore of the...

. She was launched on 11 November 1911 and was commissioned into the fleet on 15 May 1913. The ship was equipped with ten 30.5 centimetres (12 in) guns in five twin turrets, and had a top speed of 22.1 knots (12 m/s). Kaiserin was assigned to the III Battle Squadron and later the IV Battle Squadron of the High Seas Fleet
High Seas Fleet
The High Seas Fleet was the battle fleet of the German Empire and saw action during World War I. The formation was created in February 1907, when the Home Fleet was renamed as the High Seas Fleet. Admiral Alfred von Tirpitz was the architect of the fleet; he envisioned a force powerful enough to...

 for the majority of her career, including World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

.

Along with her four sister ships, , , , and , Kaiserin participated in all of the major fleet operations of World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

, including the Battle of Jutland
Battle of Jutland
The Battle of Jutland was a naval battle between the British Royal Navy's Grand Fleet and the Imperial German Navy's High Seas Fleet during the First World War. The battle was fought on 31 May and 1 June 1916 in the North Sea near Jutland, Denmark. It was the largest naval battle and the only...

 on 31 May – 1 June 1916. The ship was also involved in Operation Albion
Operation Albion
Operation Albion was the German land and naval operation in September-October 1917 to invade and occupy the Estonian islands of Saaremaa , Hiiumaa and Muhu , then part of the Russian Republic...

, an amphibious assault on the Russian-held islands in the Gulf of Riga
Gulf of Riga
The Gulf of Riga, or Bay of Riga, is a bay of the Baltic Sea between Latvia and Estonia. According to C.Michael Hogan, a saline stratification layer is found at a depth of approximately seventy metres....

, in October 1917. She also saw action during the Second Battle of Heligoland Bight
Second Battle of Heligoland Bight
The Second Battle of Heligoland Bight was a naval engagement during the First World War. On 17 November 1917, German minesweepers clearing a path through the British minefield in the Heligoland Bight near the coast of Germany were intercepted by two British light cruisers, and , performing...

 in November 1917.

After Germany's defeat in the war and the signing of the Armistice in November 1918, Kaiserin and most of the capital ship
Capital ship
The capital ships of a navy are its most important warships; they generally possess the heaviest firepower and armor and are traditionally much larger than other naval vessels...

s of the High Seas Fleet were interned by the Royal Navy
Royal Navy
The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 in Scapa Flow
Scapa Flow
right|thumb|Scapa Flow viewed from its eastern endScapa Flow is a body of water in the Orkney Islands, Scotland, United Kingdom, sheltered by the islands of Mainland, Graemsay, Burray, South Ronaldsay and Hoy. It is about...

. The ships were disarmed and reduced to skeleton crews while the Allied powers
Allies of World War I
The Entente Powers were the countries at war with the Central Powers during World War I. The members of the Triple Entente were the United Kingdom, France, and the Russian Empire; Italy entered the war on their side in 1915...

 negotiated the final version of the Treaty of Versailles
Treaty of Versailles
The Treaty of Versailles was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand. The other Central Powers on the German side of...

. On 21 June 1919, days before the treaty was signed, the commander of the interned fleet, Rear Admiral Ludwig von Reuter
Ludwig von Reuter
Ludwig von Reuter was a German admiral during World War I, who commanded the Imperial German Navy's High Seas Fleet when it was interned at Scapa Flow at the end of the war. On 21 June 1919 he ordered the scuttling of the fleet to prevent the British from seizing the ships.-Early life:Reuter was...

, ordered the fleet to be scuttled
Scuttling of the German fleet in Scapa Flow
The scuttling of the German fleet took place at the Royal Navy's base at Scapa Flow, in Scotland, after the end of the First World War. The High Seas Fleet had been interned there under the terms of the Armistice whilst negotiations took place over the fate of the ships...

 to ensure that the British would not be able to seize the ships. Kaiserin was raised in May 1936 and subsequently broken up
Ship breaking
Ship breaking or ship demolition is a type of ship disposal involving the breaking up of ships for scrap recycling. Most ships have a lifespan of a few decades before there is so much wear that refitting and repair becomes uneconomical. Ship breaking allows materials from the ship, especially...

 for scrap.

Construction

Ordered under the contract name Ersatz Hagen as a replacement for the obsolete coastal defense ship ,German warships were ordered under provisional names. For new additions to the fleet, they were given a single letter; for those ships intended to replace older or lost vessels, they were ordered as "Ersatz (name of the ship to be replaced)" Kaiserin was laid down at the Howaldtswerke
Howaldtswerke
Howaldtswerke-Deutsche Werft is a German shipbuilding company, headquartered in Kiel. In 2009 it was the largest shipyard in Germany and has more than 2,400 employees. It has been part of ThyssenKrupp Marine Systems owned by ThyssenKrupp, since 2005...

 dockyard in Kiel
Kiel
Kiel is the capital and most populous city in the northern German state of Schleswig-Holstein, with a population of 238,049 .Kiel is approximately north of Hamburg. Due to its geographic location in the north of Germany, the southeast of the Jutland peninsula, and the southwestern shore of the...

 in November 1910. She was launched on 11 November 1911, after which fitting-out work was completed. At the launching ceremony, Admiral Hans von Koester
Hans von Koester
Hans Ludwig Raimund von Koester was a German naval officer who served in the Prussian Navy and later in the Imperial German Navy. He retired as a Grand Admiral....

 gave a speech and Princess Victoria Louise christened the ship. A dockyard crew delivered the ship to the Navy on 13 May 1913; she was commissioned into the fleet the following day. During trials the ship's turbine engines were damaged, and Kaiserin did not join the fleet until 13 December 1913.

The ship was 172.4 m (565.6 ft) long overall and displaced a maximum of 27000 metric tons (26,573.5 LT). She had a beam of 29 m (95.1 ft) and a draft of 9.1 m (29.9 ft) forward and 8.8 m (28.9 ft) aft. Kaiserin was powered by three sets of Parsons turbines, supplied with steam by 16 coal-fired boilers. The powerplant produced a top speed of 22.1 knots (12 m/s). She carried 3600 metric tons (3,543.1 LT) of coal, which enabled a maximum range of 7900 nautical miles (14,630.8 km) at a cruising speed of 12 kn (6.5 m/s).

Kaiserin was armed with a main battery of ten 30.5 cm SK L/50 gun
30.5 cm SK L/50 gun
The 30.5 cm SK L/50 gunIn Imperial German Navy gun nomenclature, "SK" denotes that the gun is quick firing, while the L/50 denotes the length of the gun. In this case, the L/50 gun is 50 calibers, meaning that the gun is 50 times as long as it is in diameter. was a heavy gun mounted on 16 of...

s in five twin turrets. The ship dispensed with the inefficient hexagonal turret arrangement of previous German battleships; instead, three of the five turrets were mounted on the centerline, with two of them arranged in a superfiring pair
Superfire
The idea of superfire is to locate two turrets in a row, one behind the other, but with the second turret located above the one in front so that the second turret could fire over the first...

 aft. The other two turrets were placed en echelon amidships, such that both could fire on the broadside
Broadside
A broadside is the side of a ship; the battery of cannon on one side of a warship; or their simultaneous fire in naval warfare.-Age of Sail:...

. The ship was also armed with fourteen 15 cm SK L/45 guns in casemate
Casemate
A casemate, sometimes rendered casement, is a fortified gun emplacement or armored structure from which guns are fired. originally a vaulted chamber in a fortress.-Origin of the term:...

s amidships, eight 8.8 cm SK L/45 guns
8.8 cm SK L/45 naval gun
The 8.8 cm SK L/45 The 8.8 cm SK L/45 The 8.8 cm SK L/45 (SK - Schnelladekanone (quick loading cannon) L - Länge (with a 45-caliber barrel) was a German naval gun that was used in World War I on a variety of mounts.-Description:...

 in casemates and four 8.8 cm L/45 anti-aircraft guns. The ship's armament was rounded out by five 50 cm (19.7 in) torpedo tubes, all mounted in the hull.

Service history

After joining the III Battle Squadron in December 1913, Kaiserin participated in the routine fleet training exercises. Squadron exercises were conducted in February, followed by fleet maneuvers, both in the North Sea. The fleet trained again in May, in both the North and Baltic Seas. Kaiserin left Germany on 7 July for the annual summer cruise to Norway, but was recalled prematurely on 22 July because of rising international tensions following the assassination of Archduke Franz Ferdinand. Upon returning to Germany, Kaiserin steamed to Brunsbüttel
Brunsbüttel
Brunsbüttel is a town in the district of Dithmarschen, in Schleswig-Holstein, northern Germany that lies on the mouth of the Elbe river, near the North Sea. It is the location of the western entrance to the Kiel Canal, the eastern entrance being located at Kiel-Holtenau...

 on 24 July, where she was the first battleship to traverse the recently deepened Kaiser Wilhelm Canal. The voyage required lightening, and in just under twelve hours Kaiserin exited the locks at Holtenau in Kiel where she met the rest of her squadron. On 31 July, the entire squadron returned to the North Sea via the Canal. At midnight on 4 August, the United Kingdom, with its powerful Grand Fleet, declared war on Germany.

Kaiserin was present during the first sortie by the German fleet into the North Sea, which took place on 2–3 November 1914. No British forces were encountered during the operation. A second operation followed on 15–16 December. This sortie was the initiation of a strategy adopted by Admiral Friedrich von Ingenohl
Friedrich von Ingenohl
Gustav Heinrich Ernst Friedrich von Ingenohl was a German admiral from Neuwied best known for his command of the German High Seas Fleet at the beginning of World War I....

, the commander of the High Seas Fleet. Admiral Ingenohl intended to use the battlecruiser
Battlecruiser
Battlecruisers were large capital ships built in the first half of the 20th century. They were developed in the first decade of the century as the successor to the armoured cruiser, but their evolution was more closely linked to that of the dreadnought battleship...

s of Rear Admiral Franz von Hipper
Franz von Hipper
Franz Ritter von Hipper was an admiral in the German Imperial Navy . Franz von Hipper joined the German Navy in 1881 as an officer cadet. He commanded several torpedo boat units and served as watch officer aboard several warships, as well as Kaiser Wilhelm II's yacht Hohenzollern...

's I Scouting Group
I Scouting Group
The I Scouting Group was a special reconnaissance unit within the German Kaiserliche Marine. The unit was famously commanded by Admiral Franz von Hipper during World War I. The I Scouting Group was one of the most active formations in the High Seas Fleet during the war; the unit took part in every...

 to raid British coastal towns to lure out portions of the Grand Fleet where they could be destroyed by the High Seas Fleet. Early on 15 December the fleet left port to raid the towns of Scarborough, Hartlepool, and Whitby
Raid on Scarborough, Hartlepool and Whitby
The raid on Scarborough, Hartlepool and Whitby, which took place on 16 December 1914, was an attack by the Imperial German Navy on the British seaport towns of Scarborough, Hartlepool, West Hartlepool, and Whitby. The attack resulted in 137 fatalities and 592 casualties, many of which were civilians...

. That evening, the German battle fleet of some twelve dreadnoughts—including Kaiserin and her four sisters
Sister ship
A sister ship is a ship of the same class as, or of virtually identical design to, another ship. Such vessels share a near-identical hull and superstructure layout, similar displacement, and roughly comparable features and equipment...

—and eight pre-dreadnought
Pre-dreadnought
Pre-dreadnought battleship is the general term for all of the types of sea-going battleships built between the mid-1890s and 1905. Pre-dreadnoughts replaced the ironclad warships of the 1870s and 1880s...

s came to within 10 nmi (18.5 km) of an isolated squadron of six British battleships. However, skirmishes between the rival destroyer
Destroyer
In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

 screens in the darkness convinced Ingenohl that he was faced with the entire Grand Fleet. Under orders from Kaiser Wilhelm II to avoid risking the fleet unnecessarily, Ingenohl broke off the engagement and turned the battle fleet back toward Germany.

Kaiserin went into the Baltic for squadron training from 23 to 29 January 1916. Upon returning to the North Sea, the ship went into drydock in Wilhelmshaven
Wilhelmshaven
Wilhelmshaven is a coastal town in Lower Saxony, Germany. It is situated on the western side of the Jade Bight, a bay of the North Sea.-History:...

 for periodic maintenance, which lasted from 31 January to 20 February. The Kaiser removed Ingenohl from his post on 2 February, following the loss of at the Battle of Dogger Bank
Battle of Dogger Bank (1915)
The Battle of Dogger Bank was a naval battle fought near the Dogger Bank in the North Sea on 24 January 1915, during the First World War, between squadrons of the British Grand Fleet and the German High Seas Fleet....

 the month before. Admiral Hugo von Pohl
Hugo von Pohl
Hugo von Pohl was a German admiral who during the First World War commanded the German High Seas Fleet from 1915 until shortly before his death from illness in 1916....

 succeeded him as the commander of the fleet. Pohl continued the policy of sweeps into the North Sea to destroy isolated British formations. A series of advances into the North Sea were conducted throughout 1915; Kaiserin was present for the sweeps on 17 to 18 May, 29 to 30 May, 10 August, 11 to 12 September, and 23 to 24 October. The III Squadron completed the year with another round of unit training in the Baltic from 5 to 20 December.

Pohl's tenure as fleet commander was brief; by January 1916 hepatic cancer had weakened him to the point where he was no longer able to carry out his duties. He was replaced by Vice Admiral Reinhard Scheer
Reinhard Scheer
Reinhard Scheer was an Admiral in the German Kaiserliche Marine. Scheer joined the navy in 1879 as an officer cadet; he progressed through the ranks, commanding cruisers and battleships, as well as major staff positions on land. At the outbreak of World War I, Scheer was the commander of the II...

 in January. Scheer proposed a more aggressive policy designed to force a confrontation with the British Grand Fleet; he received approval from the Kaiser in February. The first of Scheer's operations was conducted the following month, on 5 to 7 March, with an uneventful sweep of the Hoofden. Kaiserin was also present during an advance to the Amrun Bank on 2 to 3 April. Another sortie was conducted on 21 to 22 April.

Battle of Jutland

Kaiserin was present during the fleet operation that resulted in the battle of Jutland
Jutland
Jutland , historically also called Cimbria, is the name of the peninsula that juts out in Northern Europe toward the rest of Scandinavia, forming the mainland part of Denmark. It has the North Sea to its west, Kattegat and Skagerrak to its north, the Baltic Sea to its east, and the Danish–German...

 which took place on 31 May and 1 June 1916. The German fleet again sought to draw out and isolate a portion of the Grand Fleet and destroy it before the main British fleet could retaliate. During the operation, Kaiserin was the second ship in the VI Division of III Squadron and the seventh ship in the line, directly astern of Kaiser and ahead of Prinzregent Luitpold. The VI Division was behind only the V Division, consisting of the four s. The eight battleships of the and es assigned to the I and II Divisions in I Squadron followed the VI Division. The six elderly pre-dreadnoughts of the III and IV Divisions, II Battle Squadron, formed the rear of the formation.German units are typically denoted by Roman numerals, while British units are typically denoted with Arabic numerals.

Shortly before 16:00, the battlecruisers of I Scouting Group
I Scouting Group
The I Scouting Group was a special reconnaissance unit within the German Kaiserliche Marine. The unit was famously commanded by Admiral Franz von Hipper during World War I. The I Scouting Group was one of the most active formations in the High Seas Fleet during the war; the unit took part in every...

 encountered the British 1st Battlecruiser Squadron under the command of Vice Admiral David Beatty
David Beatty, 1st Earl Beatty
Admiral of the Fleet David Richard Beatty, 1st Earl Beatty, GCB, OM, GCVO, DSO was an admiral in the Royal Navy...

. The opposing ships began an artillery duel that saw the destruction of , shortly after 17:00, and , less than half an hour later. At 16:19, Kaiserin was forced to temporarily stop the turbine on the center shaft, as the condenser had started leaking. The crew were able to restart the engine before Kaiserin came into action. By this time, the German battlecruisers were steaming south to draw the British ships toward the main body of the High Seas Fleet. At 17:30, the crew of the leading German battleship, , spotted both the I Scouting Group and the 1st Battlecruiser Squadron approaching. The German battlecruisers were steaming to starboard, while the British ships steamed to port. At 17:45, Scheer ordered a two-point
Boxing the compass
Boxing the compass is the action of naming all thirty-two points of the compass in clockwise order. Such names are formed by the initials of the cardinal directions and their intermediate ordinal directions, and are very handy to refer to a heading in a general or colloquial fashion, without...

 turn to port to bring his ships closer to the British battlecruisers, and a minute later, the order to open fire was given.The compass can be divided into 32 points, each corresponding to 11.25 degrees. A two-point turn to port would alter the ships' course by 22.5 degrees.

At approximately 17:40, the British light cruiser fired a single torpedo at Kaiserin at the extreme range of at least 16500 yd (15,087.6 m), which failed to find its target. After Scheer ordered the fleet to open fire, Kaiserin briefly engaged the battlecruiser ; Kaiserin failed to score a hit and by 17:54 New Zealand and the rest of the British battlecruisers had increased speed and moved out of range. The British destroyers and , which had been disabled earlier in the engagement, lay directly in the path of the advancing High Seas Fleet. Kaiserin and her three sisters fired on Nomad with their secondary guns while the I Squadron battleships dispatched Nestor. At around 19:00, the German battle line came into contact with the 2nd Light Cruiser Squadron; Kaiserin fired three salvos from her main battery at an unidentified four-funneled cruiser but made no hits.

Shortly after 19:00, the German cruiser had become disabled by a shell from the British battlecruiser ; Rear Admiral Behncke in König attempted to maneuver the III Squadron to cover the stricken cruiser. Simultaneously, the British 3rd and 4th Light Cruiser Squadrons began a torpedo attack on the German line; while advancing to torpedo range, they smothered Wiesbaden with fire from their main guns. The eight III Squadron battleships fired on the British cruisers, but even sustained fire from the battleships' main guns failed to drive off the British cruisers. The armored cruisers , , and joined in the attack on the crippled Wiesbaden. Between 19:14 and 19:17, several German battleships and battlecruisers opened fire on Defence and Warrior. Kaiserin initially engaged one of the battleships in the British 5th Battle Squadron and scored a hit; according to Kaiserins logs, the ship in question was . After three minutes firing at Malaya, Kaiserin shifted fire to Defence. In short succession, Defence was struck by several heavy caliber shells from the German dreadnoughts. One salvo penetrated the ship's ammunition magazines and, in a massive explosion, destroyed the cruiser. After Defence exploded, Kaiserin shifted her fire to a target believed to be the battlecruiser . Heavy haze forced Kaiserin to check fire after two salvos.

By 20:00, the German line was ordered to complete a 180-degree turn eastward to disengage from the British fleet. The maneuver, conducted under heavy fire, caused disorganization in the German fleet. Kaiserin had come too close to Prinzregent Luitpold and was forced to haul out of line to starboard to avoid a collision. The latter vessel came up alongside Kaiserin at high speed. As a result, Kaiserin had to remain out of line and could not return to her assigned position. The turn reversed the order of the German line; Kaiserin was now the seventh ship from the rear of the German line. At around 23:30, the German fleet reorganized into the night cruising formation. Kaiserin was the eleventh ship, in the center of the 24-ship line.

After a series of night engagements between the leading battleships and British destroyers, the High Seas Fleet punched through the British light forces and reached Horns Reef
Horns Reef
Horns Rev is a shallow area in the eastern North Sea, about 15 km / 10 miles off the westernmost point of Denmark, Blåvands Huk...

 by 04:00 on 1 June. The German fleet reached Wilhelmshaven a few hours later; the I Squadron battleships took up defensive positions in the outer roadstead
Roadstead
A roadstead is a place outside a harbor where a ship can lie at anchor. It is an enclosed area with an opening to the sea, narrower than a bay or gulf. It has a surface that cannot be confused with an estuary. It can be created artificially by jetties or dikes...

 and Kaiserin, Kaiser, Prinzregent Luitpold, and stood ready just outside the entrance to Wilhelmshaven. The remainder of the battleships and battlecruisers entered Wilhelmshaven, where those that were still in fighting condition replenished their stocks of coal and ammunition. In the course of the battle, Kaiserin fired one-hundred and sixty 30.5 cm shells and one-hundred and thirty-five 15 cm rounds. She emerged from the battle completely unscathed.

Subsequent operations

In early August, Kaiserin and the rest of the operational III Squadron units conducted divisional training in the Baltic. On 18 August, Scheer attempted a repeat of the 31 May operation; the two serviceable German battlecruisers— and —supported by three dreadnoughts, were to bombard the coastal town of Sunderland in an attempt to draw out and destroy Beatty's battlecruisers. The rest of the fleet, including Kaiser, would trail behind and provide cover. On the approach to the English coast, Scheer turned north after receiving a false report from a zeppelin
Zeppelin
A Zeppelin is a type of rigid airship pioneered by the German Count Ferdinand von Zeppelin in the early 20th century. It was based on designs he had outlined in 1874 and detailed in 1893. His plans were reviewed by committee in 1894 and patented in the United States on 14 March 1899...

 about a British unit in the area. As a result, the bombardment was not carried out, and by 14:35, Scheer had been warned of the Grand Fleet's approach and so turned his forces around and retreated to German ports.

Another fleet advance followed on 18 to 20 October, though it ended without encountering any British units. Two weeks later, on 4 November, Kaiserin took part in an expedition to the western coast of Denmark to assist two U-boat
U-boat
U-boat is the anglicized version of the German word U-Boot , itself an abbreviation of Unterseeboot , and refers to military submarines operated by Germany, particularly in World War I and World War II...

s—U-20 and U-30
SM U-30 (Germany)
SM U-30 was one of 329 submarines serving in the Imperial German Navy in World War I. She engaged in commerce warfare as part of the First Battle of the Atlantic...

—that had become stranded there. The fleet was reorganized on 1 December; the four König-class battleships remained in III Squadron, along with the newly commissioned , while the five Kaiser-class ships, including Kaiserin, were transferred to IV Squadron. While transiting the Kaiser Wilhelm Canal on 14 March 1917, Kaiserin became grounded. One of her bilge keels was damaged and some 280 MT (275.6 LT) of water entered the ship. Repairs were conducted at the Imperial Dockyard in Kiel
Kaiserliche Werft Kiel
Kaiserliche Werft Kiel was a German shipbuilding company founded in 1867, first as Königliche Werft Kiel but renamed in 1871 with the proclamation of the German Empire...

 from 15 to 18 March. Kaiserin returned to the North Sea on 30 March and remained there on guard duty until 8 June. On 9 June, she went to the Baltic for a month-long series of exercises, which were completed on 2 July. She resumed guard duties in the German Bight on 3 July and continued in this role until 11 September, when Kaiserin was detached to join the special unit assigned to Operation Albion
Operation Albion
Operation Albion was the German land and naval operation in September-October 1917 to invade and occupy the Estonian islands of Saaremaa , Hiiumaa and Muhu , then part of the Russian Republic...

.

Operation Albion

In early September 1917, following the German conquest of the Russian port of Riga
Riga
Riga is the capital and largest city of Latvia. With 702,891 inhabitants Riga is the largest city of the Baltic states, one of the largest cities in Northern Europe and home to more than one third of Latvia's population. The city is an important seaport and a major industrial, commercial,...

, the German navy decided to eliminate the Russian naval forces that still held the Gulf of Riga
Gulf of Riga
The Gulf of Riga, or Bay of Riga, is a bay of the Baltic Sea between Latvia and Estonia. According to C.Michael Hogan, a saline stratification layer is found at a depth of approximately seventy metres....

. The Admiralstab (the Navy High Command) planned an operation to seize the Baltic island of Ösel
Saaremaa
Saaremaa is the largest island in Estonia, measuring 2,673 km². The main island of Saare County, it is located in the Baltic Sea, south of Hiiumaa island, and belongs to the West Estonian Archipelago...

, and specifically the Russian gun batteries on the Sworbe Peninsula
Sõrve Peninsula
Sõrve Peninsula is a peninsula which forms the southernmost section of the Estonian island Saaremaa. Its length is 32 km, and its maximum width 10 km...

. On 18 September, the order was issued for a joint operation with the army to capture Ösel and Moon
Muhu
Muhu , is an island in the Baltic Sea. With an area of 198 km² it is the third largest island belonging to Estonia, after Saaremaa and Hiiumaa....

 Islands; the primary naval component was to comprise the flagship
Flagship
A flagship is a vessel used by the commanding officer of a group of naval ships, reflecting the custom of its commander, characteristically a flag officer, flying a distinguishing flag...

, Moltke, along with the III and IV Battle Squadrons of the High Seas Fleet. Along with nine light cruisers, three torpedo boat flotillas, and dozens of mine
Naval mine
A naval mine is a self-contained explosive device placed in water to destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an enemy vessel...

 warfare ships, the entire force numbered some 300 ships, supported by over 100 aircraft and six zeppelins. The invasion force amounted to approximately 24,600 officers and enlisted men. By this time, the IV Battle Squadron had come under the command of Vice Admiral Wilhelm Souchon
Wilhelm Souchon
Wilhelm Anton Souchon was a German and Ottoman admiral in World War I who commanded the Kaiserliche Marine's Mediterranean squadron in the early days of the war...

. Opposing the Germans were the old Russian pre-dreadnoughts Slava
Russian battleship Slava
Slava was a pre-dreadnought battleship of the Imperial Russian Navy, the last of the five s. Commissioned too late to participate in the Battle of Tsushima during the Russo-Japanese War, she survived while all of her sister ships were either sunk during the battle or surrendered to the Imperial...

 and Tsarevitch, the armored cruiser
Armored cruiser
The armored cruiser was a type of warship of the late 19th and early 20th centuries. Like other types of cruiser, the armored cruiser was a long-range, independent warship, capable of defeating any ship apart from a battleship, and fast enough to outrun any battleships it encountered.The first...

s Bayan, Admiral Makarov, and Diana, 26 destroyers, and several torpedo boats and gunboats. The garrison on Ösel numbered some 14,000 men.

The operation began on the morning of 12 October, when Moltke and the III Squadron ships engaged Russian positions in Tagga Bay while Kaiserin and the rest of IV Squadron shelled Russian gun batteries on the Sworbe Peninsula on Ösel. Kaiserin, along with Kaiser and Prinzregent Luitpold, were tasked with silencing the Russian guns at Hundsort on Ösel, which had taken Moltke under fire. The ships opened fire at 05:44, and by 07:45, Russian firing had ceased and German troops were moving ashore. Two days later, Souchon left Tagga Bay with Kaiserin, Friedrich der Grosse, and Prinzregent Luitpold to support German ground forces advancing on the Sworbe Peninsula. Kaiserin was assigned to suppress a Russian battery at Zerel, though heavy fog delayed her from engaging her target. The Russians opened fire first, which was quickly returned by Kaiserin and König Albert. Friedrich der Grosse came to the two ships' assistance; the three battleships fired a total of 120 large-caliber shells over the span of an hour. The fourth Russian salvo straddled Kaiserin, which began to steer erratically to avoid the Russian gunfire. The heavy firing prompted most of the Russian gun crews to flee their posts.

On the night of 15 October, Kaiserin and König Albert were sent to replenish their coal stocks in Putzig. On the 19th, they were briefly joined in Putzig by Friedrich der Grosse, which continued on to Arensburg
Kuressaare
Kuressaare is a town and a municipality on Saaremaa island in Estonia. It is the capital of Saare County. The current population is about 14,706 Kuressaare is a town and a municipality on Saaremaa island in Estonia. It is the capital of Saare County. The current population is about 14,706...

 with Moltke. The next morning, the Vice Admiral Ehrhard Schmidt ordered the special naval unit to be dissolved and returned to the North Sea. In a communique to the naval headquarters, Schmidt noted that "Kaiserin and König Albert can immediately be detached from Putzig to the North Sea." The two ships then proceeded to Kiel via Danzig, where they transited the Kaiser Wilhelm Canal back to the North Sea.

Final operations

On 17 November 1917, Kaiserin and Kaiser were assigned to provide cover for the II Scouting Group while it conducted a minesweeping operation in the North Sea. Significant British forces, including five battlecruisers and several light cruisers, attacked the II Scouting Group; the two battleships immediately steamed to their assistance. In the ensuing battle
Second Battle of Heligoland Bight
The Second Battle of Heligoland Bight was a naval engagement during the First World War. On 17 November 1917, German minesweepers clearing a path through the British minefield in the Heligoland Bight near the coast of Germany were intercepted by two British light cruisers, and , performing...

, Kaiserin scored a hit on the light cruiser . The battlecruiser briefly engaged the German dreadnoughts, but both forces withdrew. After the action, Rear Admiral Ludwig von Reuter
Ludwig von Reuter
Ludwig von Reuter was a German admiral during World War I, who commanded the Imperial German Navy's High Seas Fleet when it was interned at Scapa Flow at the end of the war. On 21 June 1919 he ordered the scuttling of the fleet to prevent the British from seizing the ships.-Early life:Reuter was...

 criticized Kaiserins commander, Kapitän zur See Kurt Grasshoff, for lagging too far behind the minesweepers to provide adequate protection. He was subsequently relieved of command of the ship. Kaiserin went into drydock for maintenance on 22 December, and work lasted until 5 February 1918. The ship participated in the fruitless advance to Norway on 23–25 April 1918, after which she resumed guard duties in the German Bight. The IV Squadron undertook another training exercise in the Baltic from 18 June to 13 August. A final round of drills took place on 22–28 October.

Fate

Kaiserin and her four sisters were to have taken part in a final fleet action at the end of October 1918, days before the Armistice was to take effect. The bulk of the High Seas Fleet was to have sortied from their base in Wilhelmshaven to engage the British Grand Fleet; Scheer—by now the Grand Admiral
Grand Admiral
Grand admiral is a historic naval rank, generally being the highest such rank present in any particular country. Its most notable use was in Germany — the German word is Großadmiral.-France:...

 (Großadmiral) of the fleet—intended to inflict as much damage as possible on the British navy, to improve Germany's bargaining position, despite the expected casualties. But many of the war-weary sailors felt that the operation would disrupt the peace process and prolong the war. On the morning of 29 October 1918, the order was given to sail from Wilhelmshaven the following day. Starting on the night of 29 October, sailors on and then on several other battleships mutinied
Wilhelmshaven mutiny
The Kiel mutiny was a major revolt by sailors of the German High Seas Fleet on 3 November 1918. The revolt triggered the German revolution which was to sweep aside the monarchy within a few days. It ultimately led to the end of the First World War and to the establishment of the Weimar Republic.-...

. The unrest ultimately forced Hipper and Scheer to cancel the operation. Informed of the situation, the Kaiser stated, "I no longer have a navy".

Following the capitulation of Germany in November 1918, most of the High Seas Fleet, under the command of Rear Admiral Ludwig von Reuter
Ludwig von Reuter
Ludwig von Reuter was a German admiral during World War I, who commanded the Imperial German Navy's High Seas Fleet when it was interned at Scapa Flow at the end of the war. On 21 June 1919 he ordered the scuttling of the fleet to prevent the British from seizing the ships.-Early life:Reuter was...

, was interned in the British naval base in Scapa Flow
Scapa Flow
right|thumb|Scapa Flow viewed from its eastern endScapa Flow is a body of water in the Orkney Islands, Scotland, United Kingdom, sheltered by the islands of Mainland, Graemsay, Burray, South Ronaldsay and Hoy. It is about...

. Prior to the departure of the German fleet, Admiral Adolf von Trotha
Adolf von Trotha
Adolf von Trotha was a German admiral in the Kaiserliche Marine from Koblenz, Rhenish Prussia.-Family:...

 made clear to Reuter that he could not allow the Allies to seize the ships, under any circumstances. The fleet rendezvoused with the British light cruiser
Light cruiser
A light cruiser is a type of small- or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck...

 , which led the ships to the Allied fleet that was to escort the Germans to Scapa Flow. The massive flotilla consisted of some 370 British, American, and French warships. Once the ships were interned, their guns were disabled through the removal of their breech blocks, and their crews were reduced to 200 officers and men.

The fleet remained in captivity during the negotiations that ultimately produced the Treaty of Versailles
Treaty of Versailles
The Treaty of Versailles was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand. The other Central Powers on the German side of...

. Reuter believed that the British intended to seize the German ships on 21 June 1919, which was the deadline for Germany to have signed the peace treaty. Unaware that the deadline had been extended to the 23rd, Reuter ordered the ships to be sunk
Scuttling of the German fleet in Scapa Flow
The scuttling of the German fleet took place at the Royal Navy's base at Scapa Flow, in Scotland, after the end of the First World War. The High Seas Fleet had been interned there under the terms of the Armistice whilst negotiations took place over the fate of the ships...

 at the next opportunity. On the morning of 21 June, the British fleet left Scapa Flow to conduct training maneuvers, and at 11:20 Reuter transmitted the order to his ships. Kaiserin sank at 14:00; she was subsequently raised on 14 May 1936 and broken up later that year in Rosyth
Rosyth
Rosyth is a town located on the Firth of Forth, three miles south of the centre of Dunfermline. According to an estimate taken in 2008, the town has a population of 12,790....

.
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