|Ab urbe condita||1626|
|Balinese saka calendar||794–795|
|Chinese calendar||壬辰年 (Water Dragon)|
3569 or 3509
— to —
癸巳年 (Water Snake)
3570 or 3510
|- Vikram Samvat||929–930|
|- Shaka Samvat||794–795|
|- Kali Yuga||3973–3974|
|Japanese calendar||Jōgan 15|
|Minguo calendar||1039 before ROC|
|Seleucid era||1184/1185 AG|
|Thai solar calendar||1415–1416|
999 or 618 or −154
— to —
1000 or 619 or −153
- Carloman, son of King Charles the Bald, is hailed before a secular court and condemned to death – for plotting against his father. He is blinded, but avoids imprisonment by escaping to the East Frankish Kingdom, where his uncle, Louis the German, gives him protection.
- Al-Andalus: The city of Toledo (modern Spain) rises up for a second time against Umayyad rule, due to ethnic tensions over two years.
- The Danish Great Heathen Army, led by the Viking leaders Halfdan and Guthrum, attack Mercia and capture the royal centre at Repton (Derbyshire). The Vikings establish an encampment with a U-shape ditch, on the south bank of the River Trent and spend the winter there.
- Azugitin, Abbasid caliph Al-Mu'tamid appointed Azugitin as governor of Mosul with deputies.
- Muhammad ibn Ali al-Armani, was killed at Caliphate - Byzantine border in 873.
- Muhammad ibn Tahir, Muslim governor of Khorasan, is overthrown by the Saffarids, led by Ya'qub ibn al-Layth, who conquer the capital, Nishapur. Khorasan is annexed to their own empire in eastern Persia. The Tahirid Dynasty falls.
- August 15 – Emperor Yi Zong (Li Cuī) dies after a 13-year reign. He is succeeded by his 11-year-old son Xi Zong, as ruler of the Tang Dynasty. During his reign, a widespread failure of the agricultural harvest leads to famine (which causes people to resort to cannibalism) and agrarian rebellions.
- Abdullah al-Mahdi Billah, was the founder of the Isma'ili Fatimid Empire, the only major Shi'a caliphate in the 10th century history, and the eleventh Imam of the Isma'ili faith (d. 934)
- Abu Yazid, Kharijite Berber leader (d. 947)
- Ahmad al-Muhajir, Muslim imam (d. 956)
- Al-Tabarani, Muslim hadith scholar (d. 970)
- Fujiwara no Sadakata, Japanese poet (d. 932)
- Ordoño II, king of Galicia and León (d. 924)
- July 8 – Gunther, archbishop of Cologne
- August 1 – Thachulf, duke of Thuringia
- August 15 – Yi Zong, emperor of the Tang Dynasty (b. 833)
- Al-Kindi, Muslim philosopher and polymath
- Du Cong, chancellor of the Tang Dynasty (b. 794)
- Ecgberht I, king of Northumbria
- Hunayn ibn Ishaq, Muslim scholar and physician (b. 809)
- Ivar the Boneless, Viking leader (approximate date)
- John III, Syriac Orthodox patriarch of Antioch
- Kang Chengxun, general of the Tang Dynasty
- Lethlobar mac Loingsig, king of Ulaid (Ireland)
- Malik ibn Tawk, Muslim governor
- Muhammad ibn Ali al-Armani, Muslim general
- Rodrigo, Asturian nobleman
- Rodulf Haraldsson, Viking leader
- Shinshō, Japanese Buddhist monk (b. 797)
- Vímara Peres, Asturian nobleman
- Wei Baoheng, chancellor of the Tang Dynasty
- McKitterick, Rosamond (1983). The Frankish Kingdoms Under the Carolingians, 751-987 (Illustrated ed.). Longman. pp. 186–187. ISBN 978-0-582-49005-5.
- *Hill, Paul (2009). The Viking wars of Alfred the Great. Westholme. p. 57. ISBN 9781594160875.