Other Considerations

830 to 839
The "house of Wisdom" is founded in Baghdad in 832 Islamic school for the study of Greek philosophy.

821 Ibn al-Kalbi: Book of Idols [Discussion of Mohammad's involvment with the cult of the goddess al-Uzza ends with the allegations that he was fooled by Shaytan (Satan, the Devil) into supporting this cult. These "Satanic Verses" are not accepted as factual by Muslims.