18 April 2021
National Day of Sàdi Shirazi.
Every year the Iranians dedicate April 21 to commemorate the great poet Sàdi.
Sàdi (1184 - 1283 E./1291 AD) was one of the greatest poets of Persian literature of the classical Islamic age (the Western Middle Ages).
His full name was Abu Muhammad Muslih ibn Abd Allāh, known as Sàdi