March 20 is the International Day of Happiness and this year's theme is Happier Together, focusing on what we have in common, rather than what divides us. Everyone wants to be happy - and life is happier when we're together. So let's celebrate our common humanity. Join the community and be part of...
Nobody is totally sure about that. We know that India thousands of years ago had a celebration around April 1, where it was normal to tell people all sorts of stories, which were fun, but not true. But it is unlikely that our tradition comes from there.
In 1964, the Committee of Ministers of the Council of Europe decided that 5 May, the anniversary of the founding of the Council of Europe, should be celebrated as Europe Day.
On 27 May 1943 the National Council of the Resistance met for the first time on rue du Four. Many citizens, whether left, center or right, gathered around a project of the future and said no to hatred and racism. They created the conditions for renewal.
https://en.wikipedia.org/wiki/Hattie_McDaniel