A12. Both were planned by Japan and both took place in the 1930s.

1. The September 18th Incident took place in Shenyang, where the Kuomintang government adopted a policy of non-resistance to the Japanese attack. The July 7 Incident took place in Beiping, where the National Army of the Republic of China rose up to resist.

2, the September 18th Incident (also known as the Fengtian Incident and the Wicker Lake Incident) was a war of aggression against China deliberately created and launched by Japan in northeastern China, and was the beginning of the Japanese imperialist invasion of China.

3, the night of September 18, 1931, in the Japanese Kwantung Army arrangements, the railway "garrison" blew up the Shenyang Wicker Lake near the South Manchuria Railway tracks (built by Tsarist Russia, and later occupied by Japan), and planted the blame on the Chinese army. The Japanese army used this as an excuse to shell the North Camp in Shenyang, is the "September 18th Incident".

4, the next day, the Japanese army occupied Shenyang, and then occupied the three northeastern provinces. in February 1932, the northeast fell. Since then, Japan established the puppet regime of pseudo-Manchukuo in Northeast China, and began 14 years of slavery and colonial rule over the people of Northeast China.

5. The September 18th Incident was the inevitable result of the Japanese imperialists' long-standing policy of aggression and expansion in China, and an important step in their attempt to turn China into their exclusive colony. It also marked the beginning of the world anti-fascist war and unveiled the prelude to the Second World War in the East.

6, Lugou Bridge is located on the Yongding River about 15 kilometers southwest of the city of Beiping, which is both a key point of southward movement and the main throat of Beijing, and has been an important transportation hub and goods distribution center since ancient times. Historical records, since the Jin Dynasty, the Central Plains hinterland into the capital, are to stay in Lugou Bridge, for the capital in and out of the Central Plains hinterland must pass through.

7, the Japanese invasion of China once occupied Lugouqiao, Beijing is a dead city, North China is also within reach. The city of Wanping, built in 1640, was a military fortress defending Beijing. So the Japanese attacked the garrison and the Chinese army resisted at Lugouqiao, beginning the Japan-China War.

8. The July 7th Incident is the sign of the beginning of Japan's full-scale invasion of China, the starting point of the Chinese nation's all-out war of resistance, and also symbolizes the beginning of the Asian regional war of the Second World War.