When is the International Day of Happiness?

国际幸福日是什么时候？

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Why did the United Nations set up the International Day of Happiness?

为什么联合国要设立国际幸福日？

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You will be happy to know that March 20th is the International Day of Happiness.

你会因为知道3月20日是国际幸福日而感到高兴。

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Today, on the occasion of the first annual International Day of Happiness, brainstorming sessions ( pdf) are being held in New York, London, Tokyo, Bogota, Olso, Indianapolis, Cincinnati and San Francisco (afterward, people can host their own workshop).

FORBES: Are You Happy? An App Tries To Raise Our Collective Mood