The poems of the Persian poet Saadi Shirazi, known as The Master of Speech, have shown that all generations can make good use of his notions. The first day of the Iranian calendar month of Ordibehesht (April 21) has been named Saadi Day to commemorate the prominent 13th-century Persian poet Saadi Shirazi. The poems of the well-known poet are read not only in Iran but throughout the world. ECI reports, citing IRNA.