Origin Stories Behind 20 Holidays

Earth Day

Earth Day is a global holiday celebrated each year on April 22. The first Earth Day was on April 22, 1970, when over 20 million Americans across the country demonstrated through marches and teach-ins to raise awareness about pressing environmental issues.

At the U.N. on Earth Day 2016, over 170 countries signed the landmark Paris Agreement to fight climate change and harmful environmental practices across the globe.