Overview
{{Infobox military conflict
| conflict = Hundred Regiments Offensive
| partof = the Second Sino-Japanese War
| image = Hundred Regiments Offensive 1940.jpg
| image_size = 200px
| caption = Victorious Chinese Communist soldiers holding the flag of the Republic of China.
| date =
| place = North China
| coordinates =
| result = Chinese victory
| combatant1 =
Chinese Communist Party
| combatant2 =
Reorganized National Government
| units1 = 8th Route Army
| units2 = North China Area ArmyCollaborationist Chinese Army
| commander1 = Peng DehuaiZhu DeZuo QuanLiu BochengHe LongNie RongzhenDeng Xiaoping
| commander2 = Hayao Tada
| strength1 = 200,000
| strength2 = 270,000 Japanese troops 150,000 Chinese collaborators
| casualties1 = 22,000–100,000 (counting desertions)<ref name="autogenerated">Tower of Skulls: A History of the Asia-Pacific War, Vol 1: July 1937-May 1942'; Frank, Richard B.; p. 161.</ref>Chinese figure (8th Route Army only): 17,000 casualties and more than 20,000 poisoned
| casualties2 = Several record from different sources:
1. Chinese Communist has two records: the first one is 12,645 killed and wounded, 281 POW. The second record: 20,645 Japanese and 5,155 Chinese collaborators killed and wounded, 281 Japanese and 18,407 Chinese collaborators captured王人广《关于百团大战战绩统计的依据问题》(Wang Renguang <Issue of the basis of result statistics of Hundred Regiments Offensive >),《抗日战争研究 (The Journal of Studies of China's Resistance War Against Japan ISSN 1002-9575)》1993 issue 3, p. 243
2. Japanese military record: No figure about total casualties, 276 KIAs from 4th Independent Mixed Brigade. 133 KIA and 31 MIA from 2nd Independent Mixed Brigade.
3. Western sources: 20,900 Japanese casualties and about 20,000 collaborator casualties
4. Peng's estimate: 30,000 Japanese and collaborators
}}
The Hundred Regiments Offensive also known as the Hundred Regiments Campaign (20 August – 5 December 1940) was a major campaign of the Chinese Communist Party's National Revolutionary Army divisions. It was commanded by Peng Dehuai against the Imperial Japanese Army in Central China. The battle had long been the focus of propaganda in the history of Chinese Communist Party but had become Peng Dehuai's "crime" during the Cultural Revolution.
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