Don't forget the national humiliation "September 18"

September 18 incident -- on September 18, 1931, Japanese troops stationed in northeast China attacked shenyang and occupied northeast China by force.

MAO, in July and August 1931 in northeast China made the "marlboro event" and "nakamura event". On September 18, Japan created the "liutiao lake incident" and launched a war of aggression against northeast China.

At about 10 o 'clock in the evening, the Japanese kwantung army island brigade kawashima squadron river end guard lieutenant under a number of people, in shenyang beidaying south about 800 meters of liutiao lake near, will blow up a section of the south manchuria railway track. The Japanese arranged a false scene here, put 3 bodies dressed in Chinese soldiers' clothes, falsely accused the Chinese army to destroy the railway. The second battalion of the Japanese independent army garrison launched an attack on the beida battalion, the headquarters of the northeast Chinese army. The next morning at about 4 o 'clock, the fifth brigade of the Japanese independent defense team arrived from tieling to join the battle. At half past five, the seventh brigade of the northeast army retreated to dongzuizi, shenyang. In the battle the northeast army casualties of more than 300, the Japanese casualties of 24. This was the "September 18 incident" that shocked China and the rest of the world.