912 CE
Emperor Leo VI (the Wise) dies after a 26-year reign, in which he has completed the Byzantine code of laws (Basilika). He is succeeded by his brother Alexander III as emperor (basileus) alongside Leo's 6-year-old son Constantine VII. Alexander becomes de facto ruler of the Byzantine Empire and expels Empress Zoe Karbonopsina, the mother of Constantine, from the palace and exiles her to a nunnery. Emperor Taizu (Zhu Wen) is murdered in the imperial palace at Kaifeng by his eldest living son Zhu Yougui after a 5-year reign. He succeeds his father as the ruler of Later Liang. Abd al-Rahman III succeeds his grandfather Abdullah ibn Muhammad (after his execution) and becomes emir of Córdoba (Al-Andalus).
In the 910s, the 10th century.
Geopolitics & Diplomacy
- Lady Æthelflæd expands her policy by building defensive burghs at Shrewsbury and Bridgnorth. The fortifications are needed to protect Mercia against plundering Vikings from the Danelaw (Danish territory in England).source
Conflict & Security
- German dukes Henry the Fowler of Saxony and Arnulf I (the Bad) of Bavaria claim themselves to be sovereign princes, not recognizing the authority of their overlord, King Conrad I of the East Frankish Kingdom, as he is not a Carolingian. Duke Erchanger II of Swabia and Conrad's brother, Duke Eberhard III of Franconia, support the Conradines.source
- The second rebellion in two years, of the Kutama tribesmen against the Fatimid Caliphate, occurs.source
- King Ordoño II of Galicia continues his expansion of the Christian polity. He sacks the cities of Mérida and Évora.source
- Orso II Participazio becomes the doge of Venice. He sends his son Pietro to Constantinople in order to re-establish the relationship with Alexander III.source
Religion & Belief
- October 16 – Abd al-Rahman III succeeds his grandfather Abdullah ibn Muhammad (after his execution) and becomes emir of Córdoba (Al-Andalus).source
- Euthymius I is deposed as Patriarch of Constantinople, and Nicholas Mystikos is restored.source
Births
- November 23 – Otto I, emperor of the Holy Roman Empire (died 973)source
- Xue Juzheng, Chinese scholar-official and historian (died 981)source
- Hyejong, king of Goryeo (Korea) (died 945)source
- Ryōgen, Japanese monk and abbot (died 985)source
- Willa of Tuscany, queen consort of Italy (or 911)source
- Alberic II, princeps and duke of Spoleto (died 954)source
- Ma Xichong, governor and ruler of Chu (died 951)source
- Frederick I, duke of Upper Lorraine (approximate date)source
- Nakatsukasa, Japanese waka poet (died 991)source
- Minamoto no Mitsunaka, Japanese nobleman and samurai (died 997)source
- Pelagius of Córdoba, Christian martyr (died 926)source
- Nikephoros II, emperor of the Byzantine Empire (died 969)source
Deaths
- May 11 – Leo VI, emperor of the Byzantine Empire (born 866)source
- May 11 – Emperor Leo VI (the Wise) dies after a 26-year reign, in which he has completed the Byzantine code of laws (Basilika). He is succeeded by his brother Alexander III as emperor (basileus) alongside Leo's 6-year-old son Constantine VII. Alexander becomes de facto ruler of the Byzantine Empire and expels Empress Zoe Karbonopsina, the mother of Constantine, from the palace and exiles her to a nunnery.source
- May 25 – Xue Yiju, chancellor of Later Liangsource
- July 18 – Zhu Wen, emperor of Later Liang (born 852)source
- July 18 – Emperor Taizu (Zhu Wen) is murdered in the imperial palace at Kaifeng by his eldest living son Zhu Yougui after a 5-year reign. He succeeds his father as the ruler of Later Liang.source
- August 15 – Han Jian, Chinese warlord (born 855)source
- October 15 – Abdullah ibn Muhammad, Muslim emir (born 844)source
- October 25 – Rudolph I, king of Burgundy (born 859)source
- November 30 – Otto I, duke of Saxonysource
- Hermenegildo Gutiérrez, Galician noblemansource
- Notker the Stammerer, Benedictine monksource
- Smbat I, king of Armenia (approximate date)source
- Qusta ibn Luqa, Syrian Melkite physician (born 820)source
- Oleg of Novgorod, Varangian princesource