International Workers' Day(วันแรงงานสากล)

Labour Day (International Workers' Day) is celebrated on May 1 in most countries worldwide. In the United States and Canada, Labor Day falls on the first Monday of September. The May 1 date was chosen to commemorate the 1886 Haymarket affair in Chicago.

Labour Day, also known as International Workers' Day or May Day, is an international celebration of the labor movement and workers' rights. It honors the achievements of workers worldwide and the fight for fair wages, reasonable working hours, and safe working conditions.

Labour Day on May 1 is celebrated in Germany, France, Italy, Spain, Russia, China, India, Brazil, Turkey, South Korea, Japan, and Australia, among approximately 80 countries. The United States and Canada observe Labor Day on the first Monday of September instead.

Yes, Labour Day is a public holiday in most countries where it is observed. Government offices, schools, and many businesses close on May 1 (or the first Monday of September in the US/Canada). In many countries it is accompanied by marches, rallies, and labor union events.

Labour Day traditions include workers' marches and parades organized by labor unions, political rallies, public speeches about workers' rights, and cultural events. In many countries, May 1 is also associated with spring festivals and maypole dancing. In the US, Labor Day marks the unofficial end of summer, celebrated with barbecues and picnics.