The first day of spring equinox marks Nowruz, or Persian New Year. This is the first day of the year in the Persian calendar, that is why Nowruz is one of the most important secular holidays for many people.
World Wood Day is an annual celebration held on March 21. It aims to raise awareness of the importance of wood in a sustainable world and its responsible use.
World Puppetry Day is annually celebrated on March 21. The idea to celebrate this holiday belongs to puppeteer Dzhivada Zolfagariho from Iran.
Color is one of the most influential phenomena in people's lives, and it's an important channel contributing to the perception of reality. All these laid foundation to celebration of International Color Day on March 21.
Education Freedom Day is a special international event launched by the Digital Freedom Foundation in 2013. It's annually observed on March 21.
UNESCO declared World Poetry Day on March 21 in 1999. This holiday was created to promote reading, writing, publishing and teaching of poetry.
March 21 is International Day of the Elimination of Racial Discrimination. This observance was established by the United Nations General Assembly to call on international community to redouble its efforts to eliminate racial discrimination around the world.
March 21 is World Down Syndrome Day. This observance was started by a medical geneticist, and later became one of the UN international days.
Celebration of Nowruz, Persian New Year, has a very long history. The holiday became so important for humanity, that the UN established International Day of Nowruz.
International Day of Forests is one of the “youngest” UN international days. It was established in 2012. It's annually celebrated on March 21 since 2013.
Mother's Day is annually celebrated around the world in every place. Different countries adopt the most significant date for their nation or religion, that is why this event has so many dates for celebration. Traditionally most countries of the Arab world celebrate Mother's Day on March 21.