March 20, 2014 03:15 PM

Pharrell Williams’s inescapable hit “Happy” has already brought all kinds of joy into the world, and now he’s teaming up with the United Nations to make March 20 the International Day of Happiness, “celebrating the happiness and well-being of individuals and communities everywhere.”

To help celebrate, has created this infographic on the “science of happy.”

You can donate to the U.N.’s efforts to create a happier world for everyone here.

At 24 Hours of Happiness, Williams is showcasing his favorite videos that people have uploaded with the hashtag #gethappy. He’s picking one every hour until the day’s done.

While you’re at it, though, you should probably watch this amazing cover of “Happy” by the Detroit Academy of Arts and Sciences choir. In an already crowded field of “Happy” covers, it’s a shining star.

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