From Wikipedia, the free encyclopedia
|839 by topic|
|Ab urbe condita||1592|
|Balinese saka calendar||760–761|
|Chinese calendar||戊午年 (Earth Horse)
3535 or 3475
— to —
己未年 (Earth Goat)
3536 or 3476
|- Vikram Samvat||895–896|
|- Shaka Samvat||760–761|
|- Kali Yuga||3939–3940|
|Japanese calendar||Jōwa 6
|Minguo calendar||1073 before ROC
|Seleucid era||1150/1151 AG|
|Thai solar calendar||1381–1382|
965 or 584 or −188
— to —
966 or 585 or −187
|Wikimedia Commons has media related to 839.|
- Prince Sicard of Benevento is assassinated by a conspiracy among the nobility. He is succeeded by Radelchis I, chief army officer and treasurer of Sicard, who proclaims himself ruler of Benevento. He imprisons Siconulf, heir and brother of Sicard, in Taranto. But Amalfitan merchants, led by Landulf I, the gastald of Capua, and with the support of Guaifer, rescue him from prison. Siconulf is proclaimed prince of Salerno, and a civil war erupts, which splits the Lombard principality in Southern Italy.
- Third Civil War: King Louis the German, grandson of Charlemagne, invades Swabia. His nephew, Pepin II of Aquitaine, and his Gascon subjects, conquer territory all the way to the Loire.
- Approximate date – Danish Vikings return to ravage the Frisian coast (sacking Dorestad for the second time).
- The first official mention of Andorra was recorded in the records of the cathedral at Seu d’Urgell in Spain.
- King Egbert of Wessex dies after a 37-year reign, and is succeeded by his son Æthelwulf ("Noble Wolf") as ruler of Wessex. Æthelwulf's eldest son, Æthelstan, is made sub-king of Kent, Essex, Surrey and Sussex, under his father.
- Approximate date – Alpín II begins his reign as king of Dál Riata (modern Scotland).
- Charles the Fat, Frankish emperor (d. 888)
- He Quanhao, general of the Tang Dynasty (d. 870)
- Liu Chongwang, chancellor of the Tang Dynasty (d. 900)
- Muhammad ibn Jarir al-Tabari, Persian scholar (d. 923)
- Áed mac Boanta, king of Dál Riata
- Aznar I, king of Aragon
- Cathal mac Muirgiussa, king of Connacht
- Chengguan, Chinese Buddhist monk (b. 738)
- Cummascach mac Congalaig, king of Brega
- Egbert, king of Wessex
- Eóganan mac Óengusa, king of the Picts
- Ibrahim ibn al-Mahdi, Muslim prince (b. 779)
- Muhammad at-Taqi, Muslim ninth Ismā'īlī imam (or 840)
- Muiredach mac Eochada, king of Ulaid
- Pei Du, chancellor of the Tang Dynasty (b. 765)
- Rorgon I, count of Maine (or 840)
- Sicard, prince of Benevento
- Vache, prince of Kakheti
- Wiglaf, king of Mercia