May Day Fast Facts

(CNN)Here's a look at May Day, referred to as International Workers Day in many countries.

Celebrated on the first day of May each year.
In Gaelic traditions, it is known as Beltaine (or the Anglicized "Beltane").
May Day has shared a date with International Workers' Day since the 1880s. At the time, labor movements around the world were fighting for fair work accommodations like eight-hour workdays and unions.