| Lists of religious leaders by century: |
| See also: |
This is a list of the top-level leaders for religious groups with at least 50,000 adherents, and that led anytime from January 1, 801, to December 31, 900. It should likewise only name leaders listed on other articles and lists.
The 810s decade ran from January 1, 810, to December 31, 819.
The 820s decade ran from January 1, 820, to December 31, 829.
Year 847 (DCCCXLVII) was a common year starting on Saturday of the Julian calendar.
Year 869 (DCCCLXIX) was a common year starting on Saturday of the Julian calendar.
St. Ignatius or Ignatios, was a Patriarch of Constantinople from July 4, 847, to October 23, 858, and from November 23, 867, to his death on October 23, 877. In the Catholic Church and Eastern Orthodox churches, he is regarded as a saint, with a feast day of October 23.
The Dulafid or Dolafid dynasty was an Arab dynasty that served as governors of Jibal for the Abbasid caliphs in the 9th century. During the weakening of the authority of the caliphs after 861, their rule in Jibal became increasingly independent of the central government in Samarra. In the last decade of the 9th century, however, they were defeated by the Abbasids who proceeded to reincorporate Jibal into their empire.
Pumbedita Academy or Pumbedita Yeshiva was a yeshiva in Babylon during the era of the Amoraim and Geonim sages. It was founded by Judah bar Ezekiel and, with the Sura Academy founded in 225 by Abba Arika, was an influential and dominant yeshiva for about 800 years.
Sura Academy was a Jewish yeshiva located in Sura, Babylonia. With Pumbedita Academy, it was one of the two major Jewish academies from the year 225 CE at the beginning of the era of the Amora sages until 1033 CE at the end of the era of the Gaonim. Sura Yeshiva Academy was founded by the Amora Abba Arika ("Rav"), a disciple of Judah ha-Nasi. Among the well-known sages that headed the yeshiva were Rav Huna, Rav Chisda, Rav Ashi, Yehudai Gaon, Natronai Gaon, Saadia Gaon, and others.
