What day is 9 1.8?

It should be 9. 18, that is, September 18, which is the day to commemorate the September 18th Incident.

Related history:

1931September 18, the Japanese kwantung army blew up a section of the track of the Nanman Railway near Liutiao Lake in the northern suburb of Shenyang, accusing the China army of destroying the railway, and using this as an excuse, it suddenly attacked Peking University Camp and Shenyang, where China troops were stationed. /kloc-in September of 0/9, the Japanese army invaded Shenyang. February 1932, Harbin fell. So far, in just over four months, northeast China has become a Japanese occupied territory. Japanese aggression shocked China society, and people's organizations and celebrities from all walks of life sent telegrams to protest against Japanese aggression and demand the Kuomintang government to resist Japan. The provisional central governments of the Central Committee of the Communist Party of China and chinese soviet republic have also issued declarations and resolutions on many occasions, calling on the Red Army of Workers and Peasants and the oppressed people to drive Japanese imperialism out of China by a national revolutionary war.