You may not know it if you live in the United States (where Labor Day is observed in September), but May 1, or “May Day,” is recognized in many other countries as International Workers’ Day.

Photo: jimw

Though the labor movement and the first May Day actually originated in the US in the late 19th century, it’s no longer celebrated on May 1 in the US.

But today, from Cuba to Cambodia, workers have the day off and many will gather publicly to support workers’ rights.

You can read more about the history of the day here.