May Day is a European festival of ancient origins marking the beginning of summer

May Day rallies held around world with calls for peace in Ukraine

May Day rallies in Europe honor workers, protest government

May Day, also known as International Workers' Day, is celebrated in over 80 countries

The traditional May Day labour union march in Paris on Sunday.

Sri Lanka’s Frontline Socialist Party members attend a march to mark International Workers’ Day in Colombo

A man holds a photograph of late Cuban President Fidel Castro as thousands march on Revolution Square to mark May Day, in Havana

Thousands of people joined May Day marches across France

It’s a May Day of social and civil commitment for peace and labor

French police detain a protester in Paris

In India, the first May Day was celebrated in Chennai (then Madras) in 1923 by The Labour Kisan Party Of Hindustan.