By the way, the history of this holiday is not connected with our country, and moreover, it is associated with Australia and the American States. The first were the workers of Australia. Masons and construction workers in Melbourne stopped work on April 21, 1856 and came to the demonstration with the requirement to reduce the working day to 8 hours without loss of wages. By their example, may 1, 1886, Chicago workers went on strike against the 15-hour day and demanded the owners of the factories of the transition to an 8-hour working day. The demonstration lasted for 4 days. In dispersing the demonstrations in Chicago on may 4 1886 killed six demonstrators and more than 50 were wounded.
In memory of this event in July 1889 Paris Congress of II international declared may 1, 1890, the Day of solidarity of workers all over the world and suggested to celebrate his demonstrations, demanding 8-hour working day and other social requirements.