The was an advisory body to the Emperor on military matters,[1] established in 1903 and abolished in 1945. The council 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 (1838–1922), credited as founder of the modern Imperial Japanese Army and the first constitutional Prime Minister of Japan.
The Supreme War Council developed a German-style general staff system with a chief of staff who had direct access to the Emperor 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.
Towards the end of the second World War, on August 9/10, 1945 the six members of the Supreme War Council were:
From November 1937 onward, 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:
In 1944, Prime Minister Kuniaki Koiso 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.[2] At the end of World War II, on August 14, 1945, it consisted of: