Death of Abdolhossein Zarrinkoob (Iranian scholar and historian), Shahrivar 24. Abdolhossein Zarrinkoob was a leading figure in Iranian literature and history, recognized for his numerous works in literary criticism, Iranian history, and culture. Born in 1923 in Borujerd, Zarrinkoob pursued his studies in Persian literature and later taught at the University of Tehran. He authored influential books such as "Two Centuries of Silence" and "Step by Step to Meet God," which have had a lasting impact on literary and historical studies in Iran. His analytical and well-documented approach earned his works a special place among researchers. Zarrinkoob passed away on Shahrivar 24, 1378. This date was officially designated in the Jalali calendar by cultural and academic institutions after his death, to honor his scholarly and cultural legacy each year. According to Islamic Republic sources, this observance is registered and presented in the official calendar in this form and with these descriptions.