1936, the Japanese troops stationed in North China occupied Fengtai by despicable means and set the next target at Lugouqiao. On the eve of the July 7th Incident, the north, east and south of Beiping were controlled by the Japanese army: the north was part of the Kwantung Army deployed in Jehol and Chadong; There are about 40 thousand people in 8 divisions of the puppet Mongolian army controlled by the Kwantung Army in the northwest; To the east is the pseudo "Jidong Defence Autonomous Government" and its pseudo-security team of about17,000 people. To the south, the Japanese army has occupied Fengtai, forcing China troops to retreat. In this way, Lugou Bridge has become the only channel for Beiping to open to the outside world, and its strategic position is even more important. In order to occupy this strategic place, cut off the traffic between Beiping and South China, and then control the authorities in Jicha, so that North China can be completely separated from the central government of China, the Japanese army has been conducting provocative military exercises near Lugouqiao, and a storm is coming.

The July 7th Incident was the beginning of Japanese imperialism's full-scale war of aggression against China and the starting point of the Chinese nation's full-scale war of resistance.

2. The September 18th Incident:

The September 18th Incident, also known as the Fengtian Incident and the Wicker Lake Incident. It was Japan's deliberate war of aggression against China in the northeast of China on the night of 193 1 September 18, and it was the beginning of Japanese imperialist aggression against China. After World War I, Japan's expansion in China was restrained by the British and American powers, and China's Northern Expedition weakened Japan's interests in China, prompting the Japanese government to adjust its China policy and accelerate the pace of annexing Northeast China. In the early 1930s, the world economic crisis broke out, and Japan's economy suffered heavy losses and fell into extreme difficulties, which led to a political crisis. In the case of domestic troubles and foreign invasion, the Japanese fascist forces decided to break through the shackles of the Washington system on Japan, and while Britain and the United States were busy coping with the crisis and Chiang Kai-shek's large-scale "suppression", they seized the Northeast to get rid of the predicament and attempted to compete for the world. At the same time, it marked the beginning of the world anti-fascist war and kicked off the eastern battlefield of World War II.

3. The August 13th incident:

It refers to an event deliberately created by Japanese imperialism to expand the war of aggression against China in Shanghai, China for a long time after the July 7th Incident in the early days of War of Resistance against Japanese Aggression1August 3rd, 937. The beginning of the total war of resistance was the August 13th Incident, or from July 7th to August 13th. Through the efforts and struggles of the people of the whole country, an all-round war of resistance was formed.