984

Events

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.<ref>Reuter, Timothy (1999). The New Cambridge Medieval History, Volume III, p. 256. Template:ISBN.</ref>
King Ramiro III of León loses his throne to Bermudo II (the rival king of Galicia), who also becomes ruler of the entire Kingdom of León (modern-day Spain).

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.

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.

August 20 – Pope John XIV dies a prisoner in the Castel Sant'Angelo at Rome after a 1-year reign, having either been murdered or starved to death.<ref>Eleanor Shipley Duckett, Death and life in the Tenth Century, (University of Michigan Press, 1967), p. 110.</ref>
Anti-Pope Boniface VII returns from Constantinople and gains support from the powerful Roman Crescentii family. He takes hold of the papal throne.

Abu al-Qasim Muhammad ibn Abbad, founder of the Abbadid dynasty (d. 1042)
Choe Chung, Korean Confucian scholar and poet (d. 1068)
Emma of Normandy, noblewoman, queen consort of England (twice), Denmark and Norway (d. 1052; approximate date)