780s births

Muhammad ibn Musa al-Khwarizmi, or simply al-Khwarizmi () was a mathematician active during the Islamic Golden Age, who produced Arabic-language works in mathematics, astronomy, and geography. Around 820, he worked at the House of Wisdom in Baghdad, the contemporary capital city of the Abbasid Caliphate. One of the most prominent scholars of the period, his works were widely influential on later authors, both in the Islamic world and Europe.

archbishop of Mainz and writer (d. 856)

'''Abu al-Hasan 'Ali Ibn Nafi (; 789– 857), commonly known as Ziryab,''' was a singer, oud and lute player, composer, poet, and teacher. He lived and worked in what is now Iraq, Northern Africa, and Andalusia during the medieval Islamic period. He was also a polymath, with knowledge in astronomy, geography, meteorology, botanics, cosmetics, culinary art, and fashion.

Emperor of Japan

8th-century Byzantine empress

Muslim historian

Dutch bishop and saint

Theodrada (ca. 784 – 844/853) was a daughter of Charlemagne (742–814) from his marriage to Fastrada. She became Abbess of the monastery of Argenteuil.

theologian, abbot of St Denis, bishop and archbishop

Byzantine writer

9th century Syriac astronomer and mathematician (c. 786 - c. 845)

'''Abu al-Hasan Ahmad Ibn Muhammad Ibn ‘Abdillah Ibn al-Qasim Ibn Nafi'i Ibn Abi Bazzah (Arabic: أحمد بن محمد بن عبدالله بن القاسم بن نافع بن أبي بزَّة), better known simply as al-Bazzi''' (170–250AH) (786/7–864/5 CE), was an important figure in the transmission of Qira'at, the seven canonical methods of Qur'an reading. He and Qunbul were the primary people responsible for spreading the recitation method of Ibn Kathir al-Makki, which became especially popular among the people of Mecca.

abbasid princess and wife of Harun al-Rashid

Chinese Zen Buddhist monk