al Tusi – Discoveries of Islamic astronomy
Al Tusi in his observatory (ca. 1259 AD) Nasir al Tusi was born in Iran in 1201 AD, as the Seljuk Empire was falling apart. The Seljuks were Turkic people. But al Tusi, [...]
Al Tusi in his observatory (ca. 1259 AD) Nasir al Tusi was born in Iran in 1201 AD, as the Seljuk Empire was falling apart. The Seljuks were Turkic people. But al Tusi, [...]
Minaret at Samarra, 847 AD The first Abbasid caliphs In 750 AD, the Abbasid caliphs murdered all of the surviving Umayyad men but one. Who were the Umayyads? All our medieval Islam articles [...]