May 1 is known as International Workers' Day. This manifestation arose from the struggle of the working classes to secure the rights, freedoms and conditions of work and living. 

They protested against the schedule, the average guaranteed wages and the protective equipment in the workplace. The first public request was made in Australia in 1885 with the following content: "8 hours of work, 8 hours of amusement and 8 hours of sleep." 

This symbolic day is associated with the general and bloody protests of tens of thousands of Chicago factory workers in America, on May 1, 1886. 

A year later a massive and magnificent manifestation was organized in the same city. Thus began the journey of this important date that focuses on the socio-economic position of workers. 

The world union set May 1 as the day on which all workers exercise pressure for their rights. In Europe, May 1 began with the first Geneva International. 

From 1890 in Paris, the founding Congress of the Second International, decided that exactly May 1 should remain International Workers' Day. 

From 1891, the Third International Congress in Brussels, decided that: May 1 will always be the day of the Workers, in which they will protect with the Constitution and laws the freedoms, rights, working conditions, salary guaranteed average, daily, weekly, annual leave and other leave as needed.