International Day of Nowruz

International Nowruz Day was proclaimed by the United Nations General Assembly, in its resolution A/RES/64/253 of 2010, at the initiative of several countries that share this holiday (Afghanistan, Albania, Azerbaijan, the Former Yugoslav Republic of Macedonia, India, Iran (Islamic Republic of), Kazakhstan, Kyrgyzstan, Tajikistan, Turkey and Turkmenistan.

Inscribed in 2009 on the Representative List of the Intangible Cultural Heritage of Humanity as a cultural tradition observed by numerous peoples, Nowruz is an ancestral festivity marking the first day of spring and the renewal of nature. It promotes values of peace and solidarity between generations and within families as well as reconciliation and neighbourliness, thus contributing to cultural diversity and friendship among peoples and different communities.

Nowruz
Also called Nourooz, Nouruz, Norouz, Norooz, Narooz, Nawru, Nauruz, Nawroz, Noruz, Nohrooz, Novruz, Nauroz, Navroz, Naw-Rúz, Nowroj, Navroj, Nevruz, Newroz, Navruz, Navrez, Nooruz, Nauryz, Nevruz, Nowrouz, Nowruz, etc.)
Nowruz (meaning "(The) New Day") is the name of the New Year in the Solar Hijri calendar. Nowruz is also referred to as the Iranian or Persian New Year.
Originally being a Zoroastrian festival, and the holiest of them all, Nowruz is believed to have been invented by Zoroaster himself, although there is no clear date of origin.
The celebration has its roots in ancient Iran. Due to its antiquity, there exist various foundation myths for Nowruz in Iranian mythology. In the Zoroastrian tradition, the seven most important Zoroastrian festivals are the Gahambars and Nowruz, which occurs at the spring equinox