1, International Labor Day, also known as May Day, InternationalWorkersDay or May Day, is a national holiday in more than 80 countries in the world. On May 1 day every year. This is a festival for working people all over the world.

2. 1889 In July, the Second International led by Engels held a congress in Paris. The meeting passed a resolution stipulating that international workers should hold a March on May 1 890, and decided to designate May 1 as the International Labor Day. The Central People's Government of the State Council 1949 1 year made a decision in February, and determined May 1 day as Labor Day. After 1989, the State Council basically commended the national model workers and advanced workers every five years, and commended about 3,000 people each time.