World Water Day is a United Nations day observed each year on 22 March to highlight the importance of freshwater.
The peace dove flying with an olive branch in its beak is one of the most commonly featured symbols for the day.
World Book Day, also known as World Book and Copyright Day or International Day of the Book, is an annual event organized by the United Nations Educational, Scientific and Cultural Organization (UNESCO) to promote reading, publishing, and copyright.
World Autism Day is one of only seven official health-specific UN Days.
