on the ruins caused by the mongols’ invasions, a dynamic centre of civilization was built by the outstanding scholar, famous mathematician and astronomer and praiseworthy jurisprudent and theologian, khw?jeh nasir al-din t?si. the characteristic features of this man of knowledge prompted the establishment of this centre of civilization. the shining section of this centre was the observatory of ...

the importance of inscriptions as the primary sources refer to historical events is undeniable. introducing the shāhugat inscriptions were found near tābaktal village of chāhān district around nikshahr is the purpose of present paper. they refer to the events that occurred in south iran around the end of the 7 th and the beginning of the 8 th centuries ah., a colorful and turbulent period of it...