4th Mixed Brigade (Imperial Japanese Army) From Wikipedia, the free encyclopedia The 4th Mixed Brigade was a military unit of the Imperial Japanese Army. This Mixed Brigade was a detachment from the 8th Division, in November 1931 to Heilongjiang province to reinforce the Invasion of Manchuria. It participated in the capture of Harbin in February 1932. It rejoined its parent unit when the 8th Division came to Manchuria later that year.[1] See also List of Japanese Mixed Brigades References ↑ Madej, W. Victor. Japanese Armed Forces Order of Battle, 1937-1945 [2 vols] Allentown, PA: 1981 This article about the military history of Japan is a stub. You can help Wikipedia by expanding it.vte This article about a specific Japanese military unit is a stub. You can help Wikipedia by expanding it.vte Related Articles