Labour Day, celebrated on the 1st of May, is an international observance honoring the contributions of workers around the world. Commonly known as May Day, this public holiday features a range of events and customs such as:

1. Parades and Marches: Many cities organize parades or marches where labor unions, workers, and advocates gather to show solidarity and voice their demands for workers' rights.

2. Speeches and Gatherings: Political leaders and heads of labor unions often deliver speeches addressing current issues affecting workers and advocating for better working conditions.

3. Cultural Performances: Festivals and cultural performances are also held to celebrate the history and achievements of the labor movement.

4. Public Demonstrations: In some countries, Labour Day features protests or demonstrations focused on advancing workers’ rights and other social issues.

5. Family and Community Activities: Many people spend the day as a public holiday relaxing with family and partaking in community activities that honor the spirit of unity and progress among working people.

Labour Day on the 1st of May thus serves as both a celebration of past achievements and a continued call to address ongoing challenges in the labor force globally.