From September 18, 1931, the outbreak of the September 18 Incident to the surrender of Japan on August 15, 1945, the Japanese ground forces have invaded 21 provinces, 5 municipalities, Weihaiwei administrative district, the eastern province of the special zone, an area of more than 6 million square kilometers. Pictures are as follows:

But we must know that the area occupied by Japan was not 100% fully occupied; many anti-Japanese bases were set up behind the Japanese lines, fighting valiantly against the Japanese, and the Hundred Regiments War was fought behind enemy lines.

On Sept. 18, 1931, the September 18 Incident broke out, and Japanese Kwantung Army troops invaded Chinese territory, starting a 14-year war of aggression against China.

After the September 18 Incident, the Japanese invaded the three northeastern provinces of China and established the pseudo-Manchukuo, which governed the three northeastern provinces, eastern Inner Mongolia and Hebei Province.

On May 29, 1935, He Yingqin, acting chairman of the North China Military Branch, began secret negotiations with Japanese representatives, and on July 6, he formally replied to Meijiro Umezu, saying that he was "committed to all the matters raised" and accepted the Japanese demands. The Nationalist government gave up the sovereignty of the five provinces of North China (Hebei, Shanxi, Shandong, Chahar and Suiyuan).

July 7, 1937, the "July 7" Incident broke out, the Japanese did not invade Shaanxi and other northwestern areas, Chongqing only bombing.

From the "July 7th" Incident to the Battle of Yu Xiang Gui in December 1944, the Japanese invaded all the way to the south, Hebei, Shandong, Shanxi, Henan, Anhui, Jiangsu, Zhejiang, Jiangxi, Shanghai, Hunan, Hubei, Guangdong, Fujian, Guizhou, Guangxi and other provinces, most of which were invaded by the Japanese, who had insufficient troops to occupy all of them, and in general, only the occupation of large cities and transportation routes. transportation lines.

Expanded:

Provinces that fell during the War of Invasion:

The total number of provinces that fell during the War of Resistance **** nine. They were: Taiwan Province, Liaoning Province, Jilin Province, Heilongjiang Province, Jehol Province, Chahar Province, Hebei Province, Shandong Province and Jiangsu Province.

Provinces that partially fell during the War of Invasion:

There were 13 provinces that partially fell in China during the War of Resistance. In descending order of area fallen, they were: Henan Province, Shanxi Province, Anzheng Province, Zhejiang Province, Suiyuan Province, Guangdong Province, Hubei Province, Guangxi Province, Hunan Province, Jiangxi Province, Fujian Province, Guizhou Province and Yunnan Province. In addition, during the War of Resistance, China successively *** had six municipalities directly under the central government, five of which fell successively. Municipalities directly under the central government were also categorized as partially fallen.

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