Second Sino-Japanese War

July 7, 1937 – September 2, 1945

Result Chinese victory

War between the Republic of China and Japan, 1937 to 1945, sparked by the Marco Polo Bridge incident of 7 July 1937. The Japanese capture of Nanjing and a toll of around 20 million deaths, mostly Chinese civilians, made it the largest Asian war of the century. After 1941 it merged with World War II, ending with Japan's surrender on 2 September 1945.

Battles and events 45

November 4, 1931 – 1941
August 1937
Battle of Beiping–Tianjin Japanese victory Pei-p'ing
August 1937
Operation Chahar Japanese victory Chahar · Suiyuan Province Chiang Kai-shek, Seishirō Itagaki, Yen Hsi-shan
August 1937 – November 1937
August 13 – November 26, 1937
Battle of Shanghai Japanese victory Shanghai, China Chiang Kai-shek, Iwane Matsui, Chen Cheng
September 1 – November 9, 1937
September 13 – November 11, 1937
Battle of Xinkou Japanese victory Niangzi Pass Seishirō Itagaki, Zhu De, Yen Hsi-shan
September 24–25, 1937
Battle of Pingxingguan Japanese victory Pingxing Pass Seishirō Itagaki, Zhu De, Yen Hsi-shan
December 1–13, 1937
December 1, 1937 – May 19, 1938
December 12, 1937
USS Panay incident Japanese victory Yangtze River
December 13, 1937 – February 7, 1938
February 18, 1938 – August 23, 1943
March 24 – April 7, 1938
Battle of Taierzhuang Chinese victory Tai'erzhuang District Seishirō Itagaki, Li Zongren, Tang Enbo
May 10–12, 1938
Amoy Operation Japanese victory Xiamen
June 1938
1938 Yellow River flood Central China
June 11 – October 27, 1938
Battle of Wuhan Japanese victory Battle of Wuhan Chiang Kai-shek, Chen Cheng, Li Zongren
October 1938 – December 1938
Canton Operation Japanese victory Guangdong
October 11, 1938
Battle of Wanjialing Chinese victory Xue Yue
February 1939
Hainan Island Operation Japanese victory Hainan Nobutake Kondō
May 9, 1939
Battle of Nanchang Japanese victory Nanchang Yasuji Okamura, Xue Yue
May 24, 1939
September 17 – October 6, 1939
November 1939 – March 1940
November 15, 1939 – November 30, 1940
Battle of South Guangxi Japanese withdrawal from Nanning after the successful invasion of French Indochina Chang Fa-kwei, Bai Chongxi, Rikichi Andō
December 18, 1939 – January 11, 1940
March 16 – April 3, 1940
Battle of Wuyuan Chinese victory Wuyuan County Fu Zuoyi
May 1 – June 24, 1940
August 20 – December 5, 1940
September 22–26, 1940
January 30 – March 1, 1941
March 14 – April 9, 1941
Battle of Shanggao Chinese victory Shanggao County
May 7–27, 1941
September 6 – October 8, 1941
1942
January 15, 1942
Battle of Changsha (1941–1942) Chinese victory Changsha Xue Yue
March 1942 – June 1942
May 15 – September 6, 1942
May 12 – June 3, 1943
Battle of West Hubei Chinese victory Hubei Chen Cheng, Hu Lian
October 1943 – March 1945
November 2 – December 20, 1943
Battle of Changde Chinese victory Changde Xue Yue
April 17 – December 10, 1944
Operation Ichi-Go Japanese victory Operation Ichi-Go Chiang Kai-shek, Hirohito, He Yingqin
March 21 – May 11, 1945
April 1945 – August 4, 1945
April 6 – June 7, 1945

Key commanders

Allies 40

Axis 34

China 9

Japan 13

Vichy France 1

Japan and allies 3

Other 1