International Labor Day is an important holiday celebrated by workers worldwide, with the following core message:

Origin and Historical Background
Background of the Workers' Movement: Originating from the Chicago Workers' Strike in the late 19th century in the United States. On May 1, 1886, over 200000 workers in Chicago went on strike to fight for an 8-hour workweek.
Establishment time: In 1889, the Paris Congress of the Second International passed a resolution to designate May 1st as International Labor Day to commemorate the workers' movement.
Historical significance: It symbolizes the victory of the working class in fighting for their rights and marks a milestone in the unity and struggle of workers.
Time and Scope
Date: May 1st every year, recognized as a statutory holiday in over 80 countries worldwide.
Exception countries: Due to historical reasons, countries such as the United States and Canada have set Labor Day on other dates.
Alternative names and international names
Common names: International Labor Day, also known as "May Day" or "International Day of Demonstrations and Processions".
English expression: The official name is "International Workers' Day", and it is also widely used as "May Day" or "Labour Day".
China's Labor Day
Introduction time: In December 1949, the State Council of the Central People's Government of China officially designated May 1st as Labor Day.
Commemorative activities: After 1989, the State Council commended the national model worker and exemplary individual every five years to promote the spirit of labor.

International Labor Day is not only an opportunity for vacation and celebration, but also a manifestation of the spirit of global solidarity among workers.