1920, China commemorated May 1 International Labor Day with large-scale activities for the first time. May 1920, 1, New Youth, Volume 7, Issue 6. Cai Yuanpei's inscription on Sacred Labor, Sun Yat-sen's inscription on The World Is Public, Li Dazhao's History of May Day Movement, and Chen Duxiu's Hunan Women Workers in Shanghai Housheng Cotton Mill were published. At the same time, it also published the General Articles of Association of Workers' Unions in China and the Survey of Labor Conditions in Tangshan, Shanxi and Yangtze River.
On May 1 day, workers from industrial cities such as Beijing, Shanghai, Guangzhou, Jiujiang and Tangshan marched to the market and held large-scale demonstrations and gatherings. Li Dazhao published the History of the May Day Movement in New Youth, introduced the origin of May Day and the activities of workers in the United States, France and other countries to commemorate May Day, and called on workers in China to take May Day as the day of awakening this year.
The International Origin of Labor Day
May 1886, 1, 2 168 16 Chicago workers went on strike to implement the eight-hour working system, and finally won after a hard and bloody struggle.
In order to commemorate this great workers' movement, Engels announced at the Second International Founding Conference organized by 1889 in July that May 1 day every year would be designated as International Labor Day. This decision immediately received a positive response from workers all over the world.
On May 1890 and 1 Sunday, the European and American working classes took the lead in taking to the streets, holding grand demonstrations and assemblies to fight for their legitimate rights and interests. From then on, working people from all over the world will gather and March to celebrate and have a public holiday. It is stipulated that international workers will hold a March on May 1890, and it is decided to designate May 1 day as the International Labor Day.
Refer to the above? Baidu Encyclopedia-May Day International Labor Day