Ancient Iranian culture is full of celebrations and rituals that Iranian have been held on various occasions and in different seasons of the year. One of these rituals, which has been gradually forgotten, is the "Tirgan Festival". The celebration of Tirgan along with Nowruz, Mehregan and Sadeh is one of the most important celebrations of the ancient Iranians, which was held with special splendor.   In the celebration of Tirgan, special rituals are performed, s...