, was an admiral in the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, Potsdam Declaration, when it was dissolved followin ...

and twice

Prime Minister of Japan The is the head of government of Japan. The prime minister chairs the Cabinet of Japan and has the ability to select and dismiss its ministers of state. The prime minister also serves as the commander-in-chief of the Japan Self-Defense Force ...

from 1913 to 1914 and again from 1923 to 1924.

Biography

Early life

Yamamoto was born in

Kagoshima , is the capital Cities of Japan, city of Kagoshima Prefecture, Japan. , the city had an estimated population of 583,966 in 285,992 households, and a population density of 1100 persons per km2. The total area of the city is . Etymology While the ...

Satsuma Province was an old province of Japan that is now the western half of Kagoshima Prefecture on the island of Kyūshū. Nussbaum, Louis-Frédéric. (2005). "Satsuma" in . Its abbreviation was . History Satsuma's provincial capital was Satsumasendai. Dur ...

(now

Kagoshima Prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Kyushu and the Ryukyu Islands. Kagoshima Prefecture has a population of 1,527,019 (1 February 2025) and has a geographic area of 9,187 Square kilometre, km2 (3,547 Square m ...

) as the sixth son of a

samurai The samurai () were members of the warrior class in Japan. They were originally provincial warriors who came from wealthy landowning families who could afford to train their men to be mounted archers. In the 8th century AD, the imperial court d ...

who served as a secretary and ''

sōjutsu , meaning "art of the spear", is the Japanese martial art of fighting with a . Origins Although the spear had a profound role in early Japanese mythology, where the islands of Japan themselves were said to be created by salt water dripping fr ...

'' master of the

Shimazu clan The were the ''daimyō'' of the Satsuma han, which spread over Satsuma, Ōsumi and Hyūga provinces in Japan. The Shimazu were identified as one of the '' tozama'' or outsider ''daimyō'' familiesAppert, Georges ''et al.'' (1888). in contr ...

. As a youth, he took part in the Anglo-Satsuma War. He later joined Satsuma's Eighth Rifle Troop in the

Boshin War The , sometimes known as the Japanese Revolution or Japanese Civil War, was a civil war in Japan fought from 1868 to 1869 between forces of the ruling Tokugawa shogunate and a coalition seeking to seize political power in the name of the Impe ...

that ended the

Tokugawa shogunate The Tokugawa shogunate, also known as the was the military government of Japan during the Edo period from 1603 to 1868. The Tokugawa shogunate was established by Tokugawa Ieyasu after victory at the Battle of Sekigahara, ending the civil wars ...

, fighting at the

Battle of Toba–Fushimi The occurred between pro-Imperial and Tokugawa shogunate forces during the Boshin War in Japan. The battle started on 27 January 1868 (or fourth year of Keiō, first month, 3rd day, according to the lunar calendar), when the forces of the sho ...

and other locations; he was also aboard one of the ships that pursued

Enomoto Takeaki Viscount was a Japanese samurai and admiral of the Tokugawa navy of Bakumatsu period Japan, who remained faithful to the Tokugawa shogunate and fought against the new Meiji government until the end of the Boshin War. He later served in the ...

and the remnants of the Tokugawa fleet to

Hokkaidō is the second-largest island of Japan and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by railway via the Seikan Tunnel. The ...

in 1869. After the success of the

Meiji Restoration The , referred to at the time as the , and also known as the Meiji Renovation, Revolution, Regeneration, Reform, or Renewal, was a political event that restored Imperial House of Japan, imperial rule to Japan in 1868 under Emperor Meiji. Althoug ...

, Yamamoto attended preparatory schools in

Tokyo Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

and entered the 2nd class of the Imperial Japanese Naval Academy in 1870. At the time of the

Satsuma Rebellion The Satsuma Rebellion, also known as the , was a revolt of disaffected samurai against the new imperial government of the Empire of Japan, nine years into the Meiji era. Its name comes from the Satsuma Domain, which had been influential in ...

, he briefly returned to Kagoshima, but at the urging of Saigo Takamori, he returned to the Naval Academy before the start of combat.

Naval career

After graduation in 1874, Yamamoto went on a training cruise to

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

and

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

aboard

Imperial German Navy The Imperial German Navy or the ''Kaiserliche Marine'' (Imperial Navy) was the navy of the German Empire, which existed between 1871 and 1919. It grew out of the small Prussian Navy (from 1867 the North German Federal Navy), which was mainly for ...

vessels from 1877 to 1878, and as junior officer acquired much sea experience. He wrote a gunnery manual that became the standard for the Imperial Japanese Navy and served as

executive officer An executive officer is a person who is principally responsible for leading all or part of an organization, although the exact nature of the role varies depending on the organization. In many militaries and police forces, an executive officer ...

of the

cruiser A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several operational roles from search-and-destroy to ocean escort to sea ...

on its shakedown voyage from Elswick to Japan (1885 to 1886). After serving as captain of the

corvette A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the sloo ...

, he accompanied Navy Minister

Kabayama Sukenori Count was a Japanese samurai military leader and statesman. Nussbaum, Louis-Frédéric. (2005)"Kabayama Sukenori"in ''Japan Encyclopedia'', p. 441. He was a general in the Imperial Japanese Army and an admiral in the Imperial Japanese Navy. H ...

on a trip to the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

and Europe that lasted over a year (1887 to 1888). As commander of the cruiser , he undertook a confidential mission to meet

Qing The Qing dynasty ( ), officially the Great Qing, was a Manchu-led Dynasties of China, imperial dynasty of China and an early modern empire in East Asia. The last imperial dynasty in Chinese history, the Qing dynasty was preceded by the ...

General

Yuan Shikai Yuan Shikai (; 16 September 18596 June 1916) was a Chinese general and statesman who served as the second provisional president and the first official president of the Republic of China, head of the Beiyang government from 1912 to 1916 and ...

in Hanseong (Seoul),

Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...

(1890). Afterwards, he assumed command of the . Working under his patron, Navy Minister Saigō Tsugumichi from 1893, Yamamoto became the real leader of the navy; initiating numerous reforms, attempting to end favoritism toward officers of his own Satsuma province, attempting to end officers from profiteering from military office, and attempting to attain roughly equal status with the Army in the Supreme War Council. He also pushed for an aggressive strategy towards the

Chinese Empire Chinese Empire (), or Empire of China, refers to the realm ruled by the Emperor of China during the era of Imperial China. It was coined by western scholars to describe the Ming dynasty, Ming and Qing dynasty, Qing dynasties (or imperial Dyna ...

in the

First Sino-Japanese War The First Sino-Japanese War (25 July 189417 April 1895), or the First China–Japan War, was a conflict between the Qing dynasty of China and the Empire of Japan primarily over influence in Joseon, Korea. In Chinese it is commonly known as th ...

(1894–95). Yamamoto was promoted to

rear admiral Rear admiral is a flag officer rank used by English-speaking navies. In most European navies, the equivalent rank is called counter admiral. Rear admiral is usually immediately senior to commodore and immediately below vice admiral. It is ...

in 1895 and to

vice admiral Vice admiral is a senior naval flag officer rank, usually equivalent to lieutenant general and air marshal. A vice admiral is typically senior to a rear admiral and junior to an admiral. Australia In the Royal Australian Navy, the rank of Vice ...

in 1898.

As Minister of the Navy

In November 1898, Yamamoto was appointed Navy Minister under the second

Yamagata Aritomo Prince was a Japanese politician and general who served as prime minister of Japan from 1889 to 1891, and from 1898 to 1900. He was also a leading member of the '' genrō'', a group of senior courtiers and statesmen who dominated the politics ...

administration. By this time, the

Russian Empire The Russian Empire was an empire that spanned most of northern Eurasia from its establishment in November 1721 until the proclamation of the Russian Republic in September 1917. At its height in the late 19th century, it covered about , roughl ...

was already perceived as the greatest threat to Japan, and Yamamoto advised the government that it was possible that Japan would win a conflict against Russia, albeit at the cost of more than half of the Imperial Japanese Navy. He sponsored promising junior officers a "brain trust", including Akiyama Saneyuki and Hirose Takeo, whom he sent as

naval attaché A navy, naval force, military maritime fleet, war navy, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations ...

s to the United States, United Kingdom and Russia to gather intelligence and to make strategic assessments of capabilities. Domestically, he pushed for increased capacity and modernisation of shipyards and steel mills, and for the increased import of higher quality coal from the United Kingdom to power his warships. Externally, he was a strong supporter of the

Anglo-Japanese Alliance The was an alliance between the United Kingdom and the Empire of Japan which was effective from 1902 to 1923. The treaty creating the alliance was signed at Lansdowne House in London on 30 January 1902 by British foreign secretary Lord Lans ...

. As an indication of the increased independence and prestige of the Navy, Emperor Meiji appeared in naval uniform during a public appearance for the first time. Yamamoto was made

baron Baron is a rank of nobility or title of honour, often Hereditary title, hereditary, in various European countries, either current or historical. The female equivalent is baroness. Typically, the title denotes an aristocrat who ranks higher than ...

(''danshaku'') under the ''

kazoku The was the hereditary peerage of the Empire of Japan, which existed between 1869 and 1947. It was formed by merging the feudal lords (''Daimyo, daimyō'') and court nobles (''kuge'') into one system modelled after the British peerage. Distin ...

'' peerage system in 1902; and he was promoted to the rank of

admiral Admiral is one of the highest ranks in many navies. In the Commonwealth nations and the United States, a "full" admiral is equivalent to a "full" general in the army or the air force. Admiral is ranked above vice admiral and below admiral of ...

in 1904. As Minister of the Navy during the

Russo-Japanese War The Russo-Japanese War (8 February 1904 – 5 September 1905) was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and the Korean Empire. The major land battles of the war were fought on the ...

, Yamamoto showed strong leadership and was responsible for appointing

Tōgō Heihachirō , served as a '' gensui'' or admiral of the fleet in the Imperial Japanese Navy and became one of Japan's greatest naval heroes. As Commander-in-Chief of the Combined Fleet during the Russo-Japanese War of 1904–1905, he successfully confine ...

as commander-in-chief of the

Combined Fleet The was the main sea-going component of the Imperial Japanese Navy. Until 1933, the Combined Fleet was not a permanent organization, but a temporary force formed for the duration of a conflict or major naval maneuvers from various units norm ...

. He gave voice to Tōgō's reports when he read aloud his reports from the war to the assembled Diet. Yamamoto was replaced as Navy Minister by Saito Makoto in January 1906. He was elevated to

count Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...

(''hakushaku'') in 1907.

As Prime Minister

In February 1913, Yamamoto became

, succeeding

Katsura Taro Katsura or Katsuura may refer to: Architecture *The Katsura imperial villa, one of Japan's most important architectural treasures, and a World Heritage Site Botany *Katsura, the common name for Cercidiphyllum, a genus of two species of trees nati ...

as leader of the Rikken Seiyukai political party. During Yamamoto's first term as the prime minister, he abolished the rule that both the Navy Minister and Army Minister had to be active duty officers. This rule had given the military a stranglehold over the civilian government since the military could withdraw their minister and refuse to appoint a successor. Failure to fill the post would cause the existing cabinet to collapse. Thus, Yamamoto gained a reputation for being a liberal and a supporter of public claims for

democracy Democracy (from , ''dēmos'' 'people' and ''kratos'' 'rule') is a form of government in which political power is vested in the people or the population of a state. Under a minimalist definition of democracy, rulers are elected through competitiv ...

and

constitutional government A constitution is the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organization or other type of entity, and commonly determines how that entity is to be governed. When these princ ...

. However, his administration was plagued by charges of corruption and he was forced to resign with his entire cabinet in April 1914 to take responsibility for the Siemens-Vickers Naval Armaments scandal, even though it was never proved that he was personally involved. Under the succeeded Okuma administration, Yamamoto was transferred to naval reserves. During

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

and the subsequent disarmament treaty negotiations, he remained sidelined. Yamamoto was recalled to government as Prime Minister again on 2 September 1923 in the emergency "earthquake cabinet" caused by the sudden death of Prime Minister Katō Tomosaburō immediately following the Great Kantō earthquake. He showed leadership in the restoration of Tokyo which had been heavily damaged by the earthquake. He also attempted to reform the electoral system to permit universal male

suffrage Suffrage, political franchise, or simply franchise is the right to vote in public, political elections and referendums (although the term is sometimes used for any right to vote). In some languages, and occasionally in English, the right to v ...

. However, he and his cabinet were forced to resign again in January 1924, this time over the attempt by Namba Daisuke to assassinate

Prince Regent A prince regent or princess regent is a prince or princess who, due to their position in the line of succession, rules a monarchy as regent in the stead of a monarch, e.g., as a result of the sovereign's incapacity (minority or illness) or ab ...

Hirohito , Posthumous name, posthumously honored as , was the 124th emperor of Japan according to the traditional order of succession, from 25 December 1926 until Death and state funeral of Hirohito, his death in 1989. He remains Japan's longest-reigni ...

on 27 December 1923 (the Toranomon Incident). Subsequently, Yamamoto withdrew from political life completely. Suggestions that he be made one of the '' Genrō'' were vehemently opposed by his life-long political enemy,

Saionji Kinmochi Kazoku, Prince was a Japanese politician who served as Prime Minister of Japan, prime minister of Japan from 1906 to 1908, and from 1911 to 1912. As the last surviving member of the ''genrō'', the group of senior statesmen who had directed pol ...

, who also blocked all efforts for him to have a seat on the Privy Council. In December 1933, nine months after the death of his wife, Yamamoto died of complication due to

benign prostatic hyperplasia Benign prostatic hyperplasia (BPH), also called prostate enlargement, is a noncancerous increase in size of the prostate gland. Symptoms may include frequent urination, trouble starting to urinate, weak stream, urinary retention, inability t ...

at his home in Takanawa, Tokyo at the age of 82. His grave is at the Aoyama Cemetery in Tokyo.

Honors

Peerages

*Baron (27 February 1902) *Count (21 September 1907)

Japanese

* 1887 –

Order of the Rising Sun The is a Japanese honors system, Japanese order, established in 1875 by Emperor Meiji. The Order was the first national decoration awarded by the Japanese government, created on 10 April 1875 by decree of the Council of State. The badge feat ...

, 6th class * 1895 – JPN Kyokujitsu-sho 6Class BAR

, 4th class * 1895 – JPN Kinshi-kunsho 4Class BAR

Order of the Golden Kite, 4th class * 1900 –

Order of the Sacred Treasure The is a Japanese Order (distinction), order, established on 4 January 1888 by Emperor Meiji as the Order of Meiji. Originally awarded in eight classes (from 8th to 1st, in ascending order of importance), since 2003 it has been awarded in six c ...

, 2nd class * 1901 – JPN Kyokujitsu-sho 1Class BAR

Grand Cordon of the Order of the Rising Sun * 1906 – JPN Kinshi-kunsho 1Class BAR

Order of the Golden Kite, 1st class * 1906 – JPN Toka-sho BAR

Order of the Rising Sun with Paulownia Flowers * 1928 –

Order of the Chrysanthemum is Japan's highest Order (decoration), order. The Grand Cordon of the Order was established in 1876 by Emperor Meiji of Japan; the Collar of the Order was added on 4 January 1888. Unlike European counterparts, the order may be Posthumous award, ...

* 1930 – Grand Cordon of the Order of the Chrysanthemum

Foreign

* 1900 –

- Prussia -

Order of the Red Eagle The Order of the Red Eagle () was an order of chivalry of the Kingdom of Prussia. It was awarded to both military personnel and civilians, to recognize valor in combat, excellence in military leadership, long and faithful service to the kingdom, o ...

, 1st class * 1900 – Legion Honneur GO ribbon

- France -

Legion of Honour The National Order of the Legion of Honour ( ), formerly the Imperial Order of the Legion of Honour (), is the highest and most prestigious French national order of merit, both military and Civil society, civil. Currently consisting of five cl ...

, Grand officier * 1907 – Legion Honneur GC ribbon

- France -

, Grand Croix『官報』第7284号「叙任及辞令」October 8, 1907 * 1907 – PRU Roter Adlerorden BAR

- Prussia -

, Grand Cross * 1907 – UK Order St-Michael St-George ribbon

- UK -

Order of St Michael and St George The Most Distinguished Order of Saint Michael and Saint George is a British order of chivalry founded on 28 April 1818 by George, Prince of Wales (the future King George IV), while he was acting as prince regent for his father, King George III ...

, Knight Grand Cross (GCMG).London Gazette
on the occasion of Prince Fushimi Sadanaru's visit to England
/ref>

Notes

References

Sources

* * *

External links

London Gazette Issue 28019
{{DEFAULTSORT:Yamamoto, Gonnohyoe 1852 births 1933 deaths 20th-century prime ministers of Japan Imperial Japanese Navy admirals Kazoku Boshin War Knights Grand Cross of the Order of St Michael and St George Recipients of the Order of the Golden Kite, 1st class Grand Cordons of the Order of the Rising Sun Recipients of the Order of the Paulownia Flowers People from Kagoshima People from Satsuma Domain People of the Meiji era People of the Boshin War Japanese military personnel of the First Sino-Japanese War Japanese people of the Russo-Japanese War Government ministers of Japan Ministers of the Imperial Japanese Navy Samurai Shimazu retainers Burials at Aoyama Cemetery Imperial Japanese Naval Academy alumni