|Ab urbe condita||1619|
|Balinese saka calendar||787–788|
|Chinese calendar||乙酉年 (Wood Rooster)|
3562 or 3502
— to —
丙戌年 (Fire Dog)
3563 or 3503
|- Vikram Samvat||922–923|
|- Shaka Samvat||787–788|
|- Kali Yuga||3966–3967|
|Japanese calendar||Jōgan 8|
|Minguo calendar||1046 before ROC|
|Seleucid era||1177/1178 AG|
|Thai solar calendar||1408–1409|
992 or 611 or −161
— to —
993 or 612 or −160
- April 21 – Bardas, the regent of the Byzantine Empire, is murdered by Basil the Macedonian at Miletus, while conducting a large-scale expedition against the Saracen stronghold of Crete.
- May 26 – Basil the Macedonian is crowned co-emperor of the Byzantine Empire, and is adopted by the much younger Michael III.
- May 27 – King Ordoño I, ruler of the Kingdom of Asturias dies after a 16-year reign. He is succeeded by his son, Alfonso III, who later is referred to as "Alfonso the Great".
- July 2 – Battle of Brissarthe: Frankish forces, led by Robert the Strong, are defeated by a joint Breton-Viking army.
- Louis II, Holy Roman Emperor, defeats the Saracen invaders who are ravaging southern Italy.
- The Great Heathen Army of the Vikings rides north to Northumbria. The Northumbrians are preoccupied with a civil war, and the Danes enter York unopposed.
- October 17 – Caliph al-Musta'in is put to death, after a 4-year reign. He is succeeded by al-Mu'tazz, who becomes the youngest Abbasid caliph to assume power.
- The Kharijite revolt against the Abbasid Caliphate begins in Al-Jazira (Upper Mesopotamia), which will last for 30 years.
- Fujiwara no Yoshifusa becomes regent (sesshō) to assist the child emperor Seiwa, starting the Fujiwara regency.
- Boris I, ruler (knyaz) of the Bulgarian Empire, sends a diplomatic mission, led by the Bulgarian nobleman Peter, to Rome, in an effort to renew ties with the West.
- Pope Nicholas I forbids the use of torture, in prosecutions for witchcraft (approximate date).
- April 21 – Bardas, Byzantine chief minister and regent
- May 27 – Ordoño I, king of Asturias
- June 21 – Rodulf, Frankish archbishop
- July 2 – Robert the Strong, Frankish nobleman
- July 16 – Irmgard, Frankish abbess
- October 17 – Al-Musta'in, Abbasid caliph
- Adelaide of Tours, Frankish noblewoman
- Al-Mu'ayyad, Abbasid prince
- Charles the Child, king of Aquitaine
- Eberhard, duke of Friuli
- Emenon, Frankish nobleman
- Hungerus Frisus, bishop of Utrecht
- Linji Yixuan, Chinese monk and founder of the Linji school
- Liudolf, duke of Saxony
- Ranulf I, Frankish nobleman (b. 820)
- Robert, Frankish nobleman (b. 834)
- Rudolph, Frankish nobleman
- Wang Shaoyi, general of the Tang Dynasty