Umor was the ruler of Bulgaria in 766. Events November 16 - Nicetas appointed Patriarch of Constantinople Births January 1 - Ali al-Rida, Shia Imam (d. ...

According to the Namelist (Imennik) of Bulgarian rulers, Umor reigned for only 40 days in 766 and belonged to the Ukil clan, which makes him a relative of the former rulers Vineh and possibly Kormisoš. The Byzantine sources indicate that his predecessor Sabin entrusted Bulgaria to Umor, but give no details of his short reign or fate. Some scholars speculate that he was a champion of the peace party like his discredited predecessor, and that he may have likewise fled to the Byzantine Empire. Events November 16 - Nicetas appointed Patriarch of Constantinople Births January 1 - Ali al-Rida, Shia Imam (d. ... Vinekh or better Vineh was ruler of Bulgaria in the mid-8th century. ... Kormisosh was Khan of Bulgaria between 753 and 756. ... Sabin was the ruler of Bulgaria 765–766. ... Byzantine Empire (Greek: ), is the term conventionally used since the 19th century to describe the Greek-speaking Roman Empire during the Middle Ages, centered at its capital in Constantinople. ...

The 17th century Volga Bulgar compilation Ja'far Tarikh (a work of disputed authenticity) represents Yumart (i.e., Umor) as the elderly father-in-law of the former ruler Teles (i.e., Telec). According to this source Yumart deposed Sain (i.e., Sabin) and died shortly afterwards. (16th century - 17th century - 18th century - more centuries) As a means of recording the passage of time, the 17th century was that century which lasted from 1601-1700. ... Telets or better Telec, was the ruler of Bulgaria 762–765. ...

Khan Sabin, from the house of Vokil (or Ukil), ruled Bulgaria between 765 and 766. ... Early Bulgar leaders bore the title of baltavar (balt-avar), which literally means ruler of Avars. Later they acquired the title Khan and Khagan, still later the title tsar. ... Toktu was Khan of Bulgaria between 766 and 767 Patriarch Nicephorus I said for Toktu that he was “a Bulgarian, brother of Bayan”. That makes his brother a famous man, but unfortunately there is no more information about him. ...

References

• Mosko Moskov, Imennik na bălgarskite hanove (novo tălkuvane), Sofia 1988.
• Jordan Andreev, Ivan Lazarov, Plamen Pavlov, Koj koj e v srednovekovna Bălgarija, Sofia 1999.
• (primary source), Bahši Iman, Džagfar Tarihy, vol. III, Orenburg 1997.