Delhi Metro train runs with door open, operator suspended

Admiral Lysander and King Pausanias of Sparta blockade Athens and bring the Peloponnesian War to a successful conclusion.

The Battle of Bagrevand puts an end to an Armenian rebellion against the Abbasid Caliphate. Muslim control over the South Caucasus is solidified and its Islamization begins, while several major Armenian nakharar families lose power and their remnants flee to the Byzantine Empire.

After mistreatment and disfigurement by the citizens of Rome, Pope Leo III flees to the Frankish court of king Charlemagne at Paderborn for protection.

The name Zagreb was mentioned for the first time in the Felician Charter relating to the establishment of the Zagreb Bishopric around 1094.

Eighty Years' War: The Dutch fleet destroys the anchored Spanish fleet at Gibraltar.

Transition from Ming to Qing: The Chongzhen Emperor, the last Emperor of Ming China, commits suicide during a peasant rebellion led by Li Zicheng.