923

By place

Europe

• June 15 - Battle of [Soissons (923)|Battle of Soissons]: King Robert I is killed; the Frankish army, led by Charles the Simple, is defeated and routed near Soissons. Charles is captured and imprisoned at Péronne. The nobles elect Robert's son-in-law Rudolph, duke of Burgundy, as king of the West Frankish Kingdom.
• July 29 - Battle of Fiorenzuola: Lombard forces led by King Rudolph [II of Burgundy|Rudolph II] and Adalbert I, margrave of Ivrea, defeat the deposed Emperor Berengar I at Firenzuola. A pact is reached between Rudolph and Berengar, who abdicates the imperial throne and cedes sovereignty over the rest of Italy (Holy [Roman">Kingdom of Italy (Holy Roman Empire)">Italy (Holy [Roman Empire)|Italy].

Asia

• May 13 - The Later Liang, one of the Five Dynasties in China, falls to Later Tang. Li proclaims himself emperor and moves his residence back to the old Tang capital of Luoyang.
• August 11 - The Qarmatians of Bahrayn Sack of [Basra (923)|capture and pillage] the city of Basra.