Atlas of Battles

battle, major, interwar and Second World War

Hundred Regiments Offensive

Hundred Regiments Offensive was a battle fought on 20 August 1940 at North China, in what is now China; it lasted 4 months. It was part of Second Sino-Japanese War, which ran from 1937 to 1945. The recorded result: Chinese victory. Recorded strength: 200,000 against 270,000 Japanese troops; 150,000 Chinese collaborators.

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Transcribed from Xinhua's Military World. Capturing the scene of the capture of Niangzi Pass by the Eighth Route Army during the Second Sino-Japanese War. Taken in 1940. Originally published on Xin Zh
Transcribed from Xinhua's Military World. Capturing the scene of the capture of Niangzi Pass by the Eighth Route Army during the Second Sino-Japanese War. Taken in 1940. Originally published on Xin Zh. The original uploader was Refrain at Chinese Wikipedia., Public domain, via Wikimedia Commons.
Fought20 August 1940lasted 4 months
WhereNorth China, China37.450N, 116.300E
OutcomeChinese victory
BelligerentsRepublic of China (1912–1949); Chinese Communist PartyagainstEmpire of Japan; Wang Jingwei regime
Part ofSecond Sino-Japanese War1937 to 1945

Where it sits in Second Sino-Japanese War

Defense of Harbin, 1932Battle of Wenzaobang, 1932Battle of Nanking, 1937Siege of Shanghai, 1937Battle of Luodian, 1937Marco Polo Bridge incident, 1937Battle of Beiping–Tianjin, 1937Battle of Zhangjiakou, 1937Battle of Nankou, 1937Battle of Shanghai, 1937Battle of Wusong, 1937Battle of Taiyuan, 1937Battle of Datong, 1937Battle of Jining, 1937Battle of Xinkou, 1937Battle of Pingxingguan, 1937Defense of Sihang Warehouse, 1937Battle of Jinshanwei, 1937Defense of Linyi, 1938Siege of Xuzhou, 1938Battle of Northern and Eastern Henan, 1938Defense of Teng County, 1938Battle of Taierzhuang, 1938Battle of Xuzhou, 1938Battle of Wuhan, 1938Battle of Changsha, 1939Battle of Nanchang, 1939Battle of Suixian–Zaoyang, 1939Battle of South Guangxi, 1939Battle of Baotou, 1939Battle of Kunlun Pass, 1939Battle of West Suiyuan, 1940Battle of Wuyuan, 1940Battle of Zaoyang–Yichang, 1940Hundred Regiments Offensive, 1940Battle of South Henan, 1941Battle of Shanggao, 1941Battle of South Shanxi, 1941Battle of Changsha, 1941Battle of Changsha, 1942Battle of Tachiao, 1942Battle of Oktwin, 1942Battle of Toungoo, 1942Battle of Yenangyaung, 1942Battle of Lashio, 1942Battle of Yunnan-Burma Road, 1942Battle of West Hubei, 1943Battle of Northern Burma and Western Yunnan, 1943Battle of Changde, 1943Battle of Dushan, 1944Battle of Central Henan, 1944Operation Ichi-Go, 1944Battle of Changsha, 1944Defense of Hengyang, 1944Battle of Guilin–Liuzhou, 1944Battle of West Hunan, 194519321945Hundred Regiments Offensive, 1940
58 placed engagements of Second Sino-Japanese War in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date20 August 1940
to 5 December 1940
PlaceNorth China, China
37.450N, 116.300E
KindBattle, interwar and Second World War
Strength200,000270,000 Japanese troops; 150,000 Chinese collaborators
Casualties and losses22,000–100,000 (counting desertions); Chinese figure: 5,890 killed; 11,700 wounded; 307 missing; 21,182 poisoned (some as many as five to six times)Several record from different sources: CCP records: 1. 12,645 killed and wounded, 281 POW.; 2. 20,645 Japanese and 5,155 Chinese collaborators killed and wounded, 281 Japanese and 18,407 Chinese collaborators captured; 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.; Western sources: 1. 20,900 Japanese casualties and about 20,000 collaborator casualties; Jay Taylor's estimate: 3,000–4,000 casualties; Peng's estimate: 1. 30,000 Japanese and collaborators
Commanders
  • Hayao Tada
Hundred Regiments OffensiveHundred Regiments OffensiveBattle of JieqiaoBattle of AnBattle of JinanBattle of JuluBattle of ChangshaoBattle of JieqiaoBattle of AnBattle of JinanBattle of ChangshaoShijiazhuangHandanCangzhouLiaochengDingzhouBuizhouLinqingNangong100 km37.450N, 116.300E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

The ground today

Relief of the ground around the site of Hundred Regiments Offensive
Relief within about 10.0 km of the site, contours every 5 m. Copernicus DEM GLO-30, ESA.
Satellite view of the site of Hundred Regiments Offensive today
The same ground from Sentinel-2 on 2023-10-26. Contains modified Copernicus Sentinel data 2023.

The recorded site stands at about 22 m; within 10.0 km the ground runs from 6 to 43 m, 36 m of relief, gently rolling country and today it is 83% built-up, 8% tree cover, 4% cropland.

built-up: 83%tree cover: 8%cropland: 4%water: 4%built-up 83%tree cover 8%cropland 4%water 4%
west to east, 10.0 km16 to 37 mnorth to south, 10.0 km15 to 30 m
Elevation from the Copernicus DEM GLO-30 (ESA, Airbus); land cover from ESA WorldCover 2021 (CC BY 4.0), within about 5 km of the recorded site. Computed, not recorded.

Nearest engagements

In the same war

Elsewhere in 1940

Hundred Regiments Offensive is one of 2,997 engagements of the 20th century in the atlas and one of 339 in present-day People's Republic of China.

Sources

Identity, coordinates, dates and the war from Wikidata Q709261, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Hundred Regiments Offensive, revision 1380765653, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.