The Imperial Japanese Navy was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender in World War II. The Japan Maritime Self-Defense Force (JMSDF) was formed between 1952–1954 after the dissolution of the IJN.
An ironclad is a steam-propelled warship protected by iron or steel armor plates, constructed from 1859 to the early 1890s. The ironclad was developed as a result of the vulnerability of wooden warships to explosive or incendiary shells. The first ironclad battleship, Gloire, was launched by the French Navy in November 1859 - narrowly pre-empting the British Royal Navy. After the first clashes of ironclads took place in 1862 during the American Civil War, it became clear that the ironclad had replaced the unarmored ship of the line as the most powerful warship afloat. Ironclad gunboats came to be very successful in the American Civil War.
Kōtetsu, later renamed Azuma, was the first ironclad warship of the Imperial Japanese Navy. She was designed as an armored ram for service in shallow waters, but also carried three guns. The ship was built in Bordeaux, France, for the Confederate States Navy under the cover name Sphinx, but was sold to Denmark after sales of warships by French builders to the Confederacy was forbidden in 1863. The Danes refused to accept the ship and sold her to the Confederates which commissioned her as CSS Stonewall in 1865. The ship did not reach Confederate waters before the end of the American Civil War in April and was turned over to the United States.
Two Japanese naval vessels have been named Ryūjō:
SMS Kaiser has been the name of two ships of the German Imperial Navy:
Azuma (吾妻) was an armored cruiser built for the Imperial Japanese Navy (IJN) in the late 1890s. As Japan lacked the industrial capacity to build such warships herself, the ship was built in France. She participated in most of the naval battles of the Russo-Japanese War of 1904–05 and was lightly damaged during the Battle off Ulsan and the Battle of Tsushima. Azuma began the first of five training cruises in 1912 and saw no combat during World War I. She was never formally reclassified as a training ship although she exclusively served in that role from 1921 until she was disarmed and hulked in 1941. Azuma was badly damaged in an American carrier raid in 1945, and subsequently scrapped in 1946.
The QF 3-pounder Hotchkiss or in French use Canon Hotchkiss à tir rapide de 47 mm were a family of long-lived light 47 mm naval guns introduced in 1886 to defend against new, small and fast vessels such as torpedo boats and later submarines. There were many variants produced, often under license which ranged in length from 32 to 50 calibers but 40 caliber was the most common version. They were widely used by the navies of a number of nations and often used by both sides in a conflict. They were also used ashore as coastal defense guns and later as an anti-aircraft gun, whether on improvised or specialized HA/LA mounts.
Three ships of the Imperial German Navy have been named SMS Prinz Adalbert:
Several ships have been named Takao (高雄):
At least six ships of the Imperial Russian Navy, Soviet Navy or Russian Navy have been named Sevastopol after the Siege of Sevastopol (1854–1855) or the city of the same name.
6 ships of the Imperial Russian and Soviet Navies have been named Petropavlovsk after the 1854 Siege of Petropavlovsk.
At least two ships of the Imperial Russian Navy have been named Oleg.
A torpedo cruiser is a type of warship that is armed primarily with torpedoes. The major navies began building torpedo cruisers shortly after the invention of the locomotive Whitehead torpedo in the 1860s. The development of the torpedo gave rise to the Jeune École doctrine, which held that small warships armed with torpedoes could effectively and cheaply defeat much larger battleships. Torpedo cruisers fell out of favor in most of the great power navies in the 1890s, though many other navies continued to acquire them into the early 1900s.
The Dingyuan class consisted of a pair of ironclad warships—Dingyuan and Zhenyuan—built for the Imperial Chinese Navy in the 1880s. They were the first ships of that size to be built for the Chinese Navy, having been constructed by Stettiner Vulcan AG in Germany. Originally expected to be a class of 12 ships, before being reduced to three and then two, with Jiyuan was reduced in size to that of a protected cruiser.
Ogura Byōichirō was an admiral in the early Imperial Japanese Navy.
Matsumura Tatsuo was a vice admiral in the Imperial Japanese Navy.
Three ships of the Austrian and later Austro-Hungarian Navy have been named SMS Prinz Eugen in honor of Prince Eugene of Savoy
The 15 cm Schnelladekanone Länge 35, abbreviated as 15 cm SK L/35, was a German naval gun developed in the years before World War I that armed a variety of warships from different nations. The navies of Austria-Hungary, China, Denmark, Japan, The Netherlands, The Ottoman Empire, Romania and Spain all used this gun.
At least three warships of Japan have been named Hiei, after Mount Hiei:
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