Today is also known as International Happiness Day. It was established by the United Nations General Assembly on 28 June 2012. The General Assembly, says, "Recognizing also the need for a more inclusive, equitable, and balanced approach to economic growth that promotes sustainable development, poverty eradication, happiness, and the well-being of all peoples. Decides to proclaim 20 March the International Day of Happiness, invites all Member States, organizations of the United Nations system and other international and regional organizations, as well as civil society, including non-governmental organizations and individuals, to observe the International Day of Happiness in an appropriate manner, including through education and public awareness-raising activities."
Happiness Activists are getting together to take action in cities across the globe, from Washington DC to London and Milan. Here is a short video of people around the world celebrating Happiness Day. LINK