Every year May 23 is celebrated as the World Turtle Day as an annual observance aimed at protecting turtles and tortoises and their rapidly disappearing habitats across the world.
In India, April 24th is celebrated as National Panchayati Raj Diwas every year. This day marks the passing of the Constitution (73rd Amendment) Act, 1992 that came into force with effect from 24 April 1993.
Earth Day is celebrated every year on April 22. It was first celebrated in 1970, and since then it is celebrated in more than 193 countries by over a billion people every year.
The World Homeopathy Day is observed every year on April 10 to pay tribute to Dr. Christian Friedrich Samuel Hahnemann, founder and father of Homeopathy system of medicine.
World Health Day is being observed on 7 April 2017 with theme 'Depression: Let's Talk. On this occasion, the World Health Organization (WHO) is leading a one-year global campaign on depression which is the leading cause of ill-health and disability worldwide.