May Day was celebrated for the first time as a labour holiday. Since then, Labour Day has grown into a global event, with ...

There are several holidays, events and celebrations taking place on May Day, and all for different reasons. Here's what's ...

Several southern states are observing a holiday commemorating the Confederacy a day after President Donald Trump announced ...

The celebration of Cinco de Mayo began as a form of resistance to the effects of the Mexican-American War, which occurred in ...

Earth Day recognizes the environmental movement. Here's how it started and why it’s still celebrated every April 22.

Need a break? Play the USA TODAY Daily Crossword Puzzle. The first Earth Day was celebrated in 1970, when 20 million people attended inaugural events at schools, universities, and other public ...