ARTICLE Celebration of the "International Happiness Day" on the 20th of March 2024 by the Happiness Lesson Network-member 1500+ pre-schools and schools, also involving local communities.

https://boldogsagora.hu/blog/minden-eddiginel-tobb-boldogsagoras-megmozdulas-2024-marcius-20-an-a-boldogsag-vilagnapjan/