|Ab urbe condita||1645|
|Balinese saka calendar||813–814|
|Chinese calendar||辛亥年 (Metal Pig)|
3588 or 3528
— to —
壬子年 (Water Rat)
3589 or 3529
|- Vikram Samvat||948–949|
|- Shaka Samvat||813–814|
|- Kali Yuga||3992–3993|
|Japanese calendar||Kanpyō 4|
|Minguo calendar||1020 before ROC|
|Seleucid era||1203/1204 AG|
|Thai solar calendar||1434–1435|
1018 or 637 or −135
— to —
1019 or 638 or −134
- Summer – Poppo II, duke of Thuringia (Central Germany), is deposed by King Arnulf of Carinthia. East Frankish forces and their Magyar (Hungarian) allies invade Great Moravia.
- Vladimir, ruler (knyaz) of the Bulgarian Empire, signs a military alliance with Arnulf of Carinthia of the East Frankish Kingdom. This alliance works against the pro-Byzantine policy of his father.
- Autumn – A Viking force with a fleet of 250 longships arrives at the river mouth of the settlement of Lympne (East Kent). They attack the small fortification (called Eorpeburnan).
- Viking raiders (80 ships) under Hastein arrive in the Thames Estuary, and set up camp at Middleton. King Alfred the Great decides to position his army in the Wealden Forest.
- April – Al-Mu'tadid, the de facto regent of the Abbasid Caliphate, removes his cousin Al-Mufawwad from succession. He becomes caliph himself, after the death of Al-Mu'tamid, returning the capital from Samarra to Baghdad.
- May – Ibrahim II, Aghlabid emir of Ifriqiya, sends a large army to Palermo, to impose Arab authority from Kairouan. After an uprising, the Sicilians make a bid for independence.
- Summer – The Persian nobility installs Isma'il ibn Ahmad, the former governor of Transoxiana, as ruler (emir) of the Samanid Empire, after the death of his brother Nasr I.
- March 30 – Shi Jingtang, founder of the Later Jin Dynasty (d. 942)
- Ai (Li Zhou), emperor (puppet ruler) of the Tang Dynasty (d. 908)
- Ali ibn Buya, founder of the Buyid Dynasty (or 891)
- Dou Zhengu, Chinese official and chancellor (d. 969)
- Guibert, founder of Gembloux Abbey (d. 962)
- Jing Yanguang, Chinese general and governor (d. 947)
- Saadia Gaon, Jewish philosopher and exegete (or 882)
- Wang Sitong, Chinese general and governor (d. 934)
- Wang Yuanying, crown prince of Former Shu (d. 913)
- Zhang, empress consort of Zhu Youzhen (d. 915)
- October 9 – Al-Tirmidhi, Persian scholar and hadith compiler (b. 824)
- October 15 – Al-Mu'tamid, Muslim caliph of the Abbasid Caliphate
- Berengaudus, Frankish Benedictine monk (b. 840)
- Bernard, illegitimate son of Charles the Fat (or 891)
- Branimir, ruler (knyaz) of Croatia (approximate date)
- Nasr I, Muslim emir of the Samanid Empire
- Sigurd Eysteinsson, Norse Earl of Orkney
- Sun Ru, Chinese warlord and governor
- Yang Shouliang, Chinese warlord and governor
- Zhao Deyin, Chinese warlord and chancellor
- Kristó 1996, p. 175.
- Kirschbaum 2005, p. 29.
- Paul Hill (2009). The Viking Wars of Alfred the Great, p. 120. ISBN 978-1-59416-087-5.
- Paul Hill (2009). The Viking Wars of Alfred the Great, p. 121. ISBN 978-1-59416-087-5.
- Amari 1854, p. 429.
- Lee Hyun-hee, Park Sung-soo, Yoon Nae-hyun, translated by The Academy of Korean Studies, New History of Korea pp. 263–265, Jimoondang, Paju, 2005. ISBN 89-88095-85-5.