| |
| | Muslim American Society |
 | | Al Muqtadir built a new hospital in Baghdad in 303/915, which became famous because of the medical expertise of its director, Sinan ibn Thabit. |
 | | Al Idrisi asked for a ball of silver 400 rotols in weight (approximately 400 kilograms) and drew on it the seven continents, their lakes and rivers, cities, routes, mountains and plains, and trade routes, and noted on each the distance, height, or length as measured. |
 | | Al Mansur, the second 'Abbasi caliph, regarded astronomy with such approval as to ask the Persian astronomer Nawbakht to be his constant companion; and when the latter died, to appoint his son in his place, along with Ibrahim al Fazari, his son Muhammad, 'Ali Ibn 'Isa al Astrolabi, and others. |
| www.masnet.org /history.asp?id=1033 (5716 words) |
|