Hundred Regiments Offensive Aug 20 – Dec 5, 1940
China
18th Group Army – Deputy Commander Peng Dehuai 129th Division 47 regiments 120th Division 22 regiments 115th Division 46 regiments
Total: 115 Regiments, variously estimated between 70,000 and 300,000 men. Actual communist strike regiments exerted to the campaign would total about 22 regiments.
Japan
Japanese Northern China Area Army – Lieutenant General Hayao Tada抗日战争时期的侵华日军序列沿革 15th Independent Mixed Brigade [ Hebei, Peiking area] 27th Division [ Hebei, Tientsin area] 7th Independent Mixed Brigade [ Shandong, Huimin area] 110th Division [Hebei, Baoding area] 8th Independent Mixed Brigade [Hebei, Shijiazhuang area] - Major General Mizuhara Tetsuya Kataoka, Resistance and Revolution in China, pg.218 1st Independent Mixed Brigade [Hebei, Handan area] Mongolian Army [HQ: Chahar, Zhangjiakou] 26th Division [ Suiyuan, Datong area] 2nd Independent Mixed Brigade [Chahar, Zhangjiakou area] 1st Army [ Shanxi, Taiyuan] 36th Division [Shanxi, Lu'an area] 3rd Independent Mixed Brigade [Shanxi, Shanheng (山亨) county area] 4th Independent Mixed Brigade [Shanxi, Yangquan area] - Lieutenant General Katayama 9th Independent Mixed Brigade [Shanxi, Taiyuan area] 41st Division [Shanxi, Linfen area]
Collaborationist Chinese forces ?
Notes
Sources Tetsuya Kataoka, Resistance and Revolution in China, The Communists and the Second United Front, UNIVERSITY OF CALIFORNIA PRESS, Berkeley, Los Angeles, Oxford The Battle of One Hundred Regiments 抗日战争时期的侵华日军序列沿革 (Order of battle of the Japanese army that invaded China during the Sino Japanese War) RESISTANCE WARS: Hundred Regiment Campaign