Puneet Varma (Editor)

4th Division (Imperial Japanese Army)

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Active  1888 - 1945
Branch  Imperial Japanese Army
Size  Division
Country  Empire of Japan
Type  Infantry
Garrison/HQ  Osaka City, Japan
4th Division (Imperial Japanese Army)

The 4th Division (第4師団, Daiyon shidan) was an infantry division in the Imperial Japanese Army. Its call-sign was Yodo Division (淀兵団, Yodo-heidan) (from the Yodo River).



The 4th Division was formed in Osaka City in January 1871 as the Osaka Garrison (大阪鎮台, Osaka chindai), one of six regional commands created in the fledgling Imperial Japanese Army. The Osaka Garrison had responsibility for central region of Honshū (Kansai district), ranging from Shiga Prefecture to Hyōgo Prefecture. The six regional commands were transformed into divisions under the army reorganization of 14 May 1888.

Early action

The 4th regional command have played a vital role in the defeat of the Satsuma Rebellion in 1877.

During the First Sino-Japanese War in 1895, the 4th division has landed on Liaodong Peninsula and performed a security duties as part of army reserve, though its 7th Mixed Brigade was sent to northern Formosa in September 1895 during the Japanese invasion of Taiwan, and helped to pacify the Kapsulan (Yilan) district.

During the Russo-Japanese War, the division, led by Lieutenant General Ogawa Mataji, participated in Battle of Nanshan, Battle of Liaoyang (where commander was wounded and replaced by Lieutenant General Tsukamoto Katsuyoshi), Battle of Shaho and the Battle of Mukden.

The division later served in the Siberian Intervention and the Jinan Incident (1928).

Action in Second Sino-Japanese War and Pacific War

On 10 February 1937, the 4th Division came under the command of the Kwantung Army in Manchuria. It was transferred to the 11th Army on 1 July 1940, actually departing Osaka 6 September 1937, and landing in Daegu 12 September 1937. It participated in Central Hubei Operation, Battle of South Henan, and Jiangbei operation (attacking from northern Anlu). In September 1941, the division participated in Battle of Changsha (1941). From 11 June 1941, it has started reorganization to triangular division, giving 70th infantry regiment to 425th division and eventually transferred to the active reserve force in the Japanese home islands.

In March 1942, the reorganization was complete and 4th Division was then reassigned to the 14th Army, arriving to Philippines to participate in the Battle of Bataan 3 April 1942 The 4th division also significantly contributed to Japanese efforts in the Battle of Corregidor 5 May 1942. After a Philippines Campaign (1941–42) ended 8 May 1942, the division was returned to home islands to perform a security duties.

It came under the control of the 25th Army in September 1943. The 4th division has departed Moji-ku, Kitakyūshū 10 October 1943 and performed a garrison duties on Sumatra from early November 1943. Parts of the 4th division were on Chikago Maru transport when it was sunk 15 October 1943, and therefore were temporarily diverted to Kaohsiung. Assigned to the 15th Army 14 January 1945, its final headquarters was in Lampang, Thailand.

The 4th division has started disbanding in June 1946. The soldiers were repatriated from Bangkok back to the Japanese ports of Uraga and Kagoshima. Last sub-unit, a field hospital, has departed Bangkok 4 June 1946 and arrived to Kagoshima 25 June 1946. 27 June 1946 the dissolution of the 4th division was complete.

Memorial headquarters building

The original headquarters for the 4th Division was Osaka Castle. When the castle was reconstructed in 1931, a new headquarters building was erected within the castle grounds as short distance away by donations raised from the citizens of Osaka, so that the castle and its immediate surroundings could be made into a public park. In 1940, the headquarters moved again, this time to Hōkoku Shrine (Osaka) area.

The divisional arsenal in Osaka has detonated 14 August 1945 due Allied bombing, resulting in light damage to the headquarters buildings. By 2013, headquarters building remains as war memorial within the Osaka Castle Park.

Noted commanders in the history of the 4th Division have included Takashima Tomonosuke, Prince Kitashirakawa Yoshihisa, Ichinohe Hyoe, Abe Nobuyuki, Terauchi Hisaichi, Prince Higashikuni Naruhiko and Tomoyuki Yamashita.


4th Division (Imperial Japanese Army) Wikipedia

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