Spring – German boy-king Otto III (4 years old) is seized by the deposed Henry II, Duke of Bavaria ("the Wrangler"), who has recovered his duchy and claims the regency as a member of the Ottonian Dynasty. But Henry is forced to hand over Otto to his mother, empress consort Theophanu.[1]
Fall – Emperor En'yū abdicates the throne in favor of his 16-year-old son Kazan after a 15-year reign. En'yū retires and becomes a Buddhist priest.
By topic
Technology
Qiao Weiyue, a Chinese engineer, innovates the first known use of the double-gated canal pound lock during the Song dynasty, for adjusting different water levels in segments of the Grand Canal in China.