An Introduction to the Shamsiyyah Sect in the Garmsirat of Fars Province from the Eighth Century to the Late Ninth Century AH, with an Emphasis on Prominent Manuscripts

"Shamsiah" is one of the sects of Garmsirat of Fars during eighth to tenth centuries.  The founder of this sect is "Sheikh Mohammed Abi Najm (704-786 H). The expansion of the Shamsiah sect on commercial routes khonj to Lar and Hermes with the support of the ruler of Larestan, Amir sif al-Din Nusrat Lari  and Shah Zein al-Abidine,the ruler of Shiraz during Al-Muzaffar period, led to its prosperity in important areas of Garmsirat of Fars. Notwithstanding the importance of this sect in the eighth and ninth centuries AH in Garmsirat of Fars, however, no independent research has been conducted on the founder of this sect and his teachings. The intellectual and cultural heritage of this sect is available in the form of prose and poems in the south of Fars. this articl  Using dissociative-analytic method seeks to examine and analyze the life and works of the founder of the Shamsiyyat sect and the socio-cultural effects of this sect in Garmsirat of Fars, with an emphasis on manuscripts as a historical issue.The finding of research shows that the leader of the sect, had a direct role in the political action of Garmsirat of fars by making relations with the rulers of Al-Muzaffar and Lar, and achieved sociocultural supremacy, by making several khanghahs and mosques.