November 20, 1921 (October 21), yau, Longhai railway workers' strike.

1921 11 20, the Longhai railway maintenance workers against layoffs, pay cuts and abuse of workers on strike. Trans-China thing, the main artery of the Longhai railway to a standstill. November 8, the Longhai Road Tongshan station, Secretary of door Explorer of life by maintenance will be designed for manufacturers maintenance workers and out of the 8th door suddenly locked. Angry workers crowded the gate open, and to this end, two workers expelled, so causing "the 8th door event. After the incident, Xuzhou railway workers immediately launched representatives went to Luoyang, Zhengzhou, Kaifeng major station contacted. Beijing Communist Party organization immediately sent to Luoyang, Luo Zhang Long guiding strike. The morning of November 20, all Tongshan station maintenance workers first strike, issued a "Declaration on the Longhai Railway strike", "anti-abuse", "fight for human rights", "light country-wide" and other slogans . The whole railway strike adhere 7 days. Final decision organization Longhai the full Road, Federation of Trade Unions, added the secretary of the Department of labor combinations members also asked the secretary of the Department formally represented guide Xuzhou, Luoyang, Kaifeng stations unions.