For April 21st, the national day of Saadi, the center for the study of Saadi in Shiraz will unveil 2 new titles. In a conversation with IBNA, Kourosh Kamali said: The opening ceremony of Saadi day, April 21st, will start at 8 p.m. on the locality of his mausoleum. Poets, writers, Shiraz official authorities and Saadi admirers will attend this ceremony.