The was established during the development of representative government in Meiji period Japan to further strengthen the authority of the state. Its first leader was

Yamagata Aritomo '' Gensui'' Prince , also known as Prince Yamagata Kyōsuke, was a senior-ranking Japanese military commander, twice-elected Prime Minister of Japan, and a leading member of the '' genrō'', an élite group of senior statesmen who dominated J ...

(1838–1922), a Chōshū native who has been credited with the founding of the modern

Imperial Japanese Army The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emper ...

and was the first constitutional

Prime Minister of Japan The prime minister of Japan ( Japanese: 内閣総理大臣, Hepburn: ''Naikaku Sōri-Daijin'') 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 S ...

. The Supreme War Council developed a German-style general staff system with a chief of staff who had direct access to the

Emperor An emperor (from la, imperator, via fro, empereor) is a monarch, and usually the sovereign ruler of an empire or another type of imperial realm. Empress, the female equivalent, may indicate an emperor's wife ( empress consort), mother ( ...

and who could operate independently of the army minister and civilian officials. The Supreme War Council was the ''de facto'' inner cabinet of Japan prior to the

Second Sino-Japanese War The Second Sino-Japanese War (1937–1945) or War of Resistance (Chinese term) was a military conflict that was primarily waged between the Republic of China and the Empire of Japan. The war made up the Chinese theater of the wider Pacific T ...

Liaison Conference

From November 1937 and following Emperor Shōwa's order, the ''Gunji sangikan kaigi'' was in effect replaced by the Imperial General Headquarters-Government Liaison Conference (大本営政府連絡会議 ''Daihon'ei seifu renraku kaigi''). The Liaison Conferences were intended by the Emperor to bring the chiefs of the Army and Navy General Staff into closer consultation with his government, and to assist in integrating the decisions and needs of the two military sections of Imperial General Headquarters with the resources and policies of the rest of the government. The final decisions of Liaison Conferences were formally disclosed and approved at Imperial Conferences over which the Emperor presided in person at the Kyūden of the Tokyo Imperial Palace. Its members were the following officials: * the

Prime Minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister is ...

Fumimaro Konoe Prince was a Japanese politician and prime minister. During his tenure, he presided over the Japanese invasion of China in 1937 and the breakdown in relations with the United States, which ultimately culminated in Japan's entry into World W ...

Hiranuma Kiichirō was a prominent right-wing Japanese politician and Prime Minister of Japan in 1939. He was convicted of war crimes committed during World War II and was sentenced to life imprisonment. Early life Hiranuma was born in what is now Tsuyama ...

Nobuyuki Abe was a general in the Imperial Japanese Army, Governor-General of Korea, and Prime Minister of Japan. Early life and military career Abe was born on November 24, 1875, in Kanazawa, Ishikawa Prefecture, the son of former samurai Abe Nobumitsu. H ...

, Mitsumasa Yonai * the

Minister of Foreign Affairs A foreign affairs minister or minister of foreign affairs (less commonly minister for foreign affairs) is generally a cabinet minister in charge of a state's foreign policy and relations. The formal title of the top official varies between co ...

* the Minister of War * the

Minister of the Navy Minister of the Navy may refer to: * Minister of the Navy (France) * Minister of the Navy (Italy) * Minister of the Navy (Japan) * Minister of the Navy (Netherlands) * Minister of the Navy (Spain) * Minister of the Navy (Turkey) * Minister of ...

* the Chief of the Army General Staff * the Chief of the Navy General Staff

Supreme Council for the Direction of the War

In 1944, Prime Minister

Kuniaki Koiso was a Japanese general in the Imperial Japanese Army, Governor-General of Korea and Prime Minister of Japan from 1944 to 1945. After Japan's defeat in World War II, he was convicted of war crimes and sentenced to life imprisonment. Early l ...

established the Supreme Council for the Direction of the War (最高戦争指導会議 ''Saikō sensō shidō kaigi''), which replaced the Imperial General Headquarters-Government Liaison Conference. At the end of the war on August 14, 1945, it consisted of: *Prime Minister: Admiral Kantarō Suzuki *Minister of Foreign Affairs: Shigenori Tōgō *Minister of War: General Korechika Anami *Minister of the Navy: Admiral Mitsumasa Yonai *Chief of the Army General Staff: General Yoshijirō Umezu *Chief of the Navy General Staff: Admiral Soemu Toyoda

Liaison Conference

Supreme Council for the Direction of the War

See also