404

Western Roman Empire

 * — The last al competition is held in Rome.
 * The dome in is built by the entire population of the city.

Asia

 * attacks and takes the entire Liaodong Peninsula.
 * The  monk, who founded the  sect and the monastery on , writes the book On Why Monks Do Not Bow Down Before Kings in this year. In his book he argues that although the Buddhist clergy should remain independent and undisturbed by politics, the Buddhist lay people nonetheless make good subjects under monarchs, due to their fear of retribution of  and desire to be reborn in paradise.

Religion

 * is deposed again, and becomes.
 * is martyred.

Deaths

 * —, wife of the Eastern Roman emperor
 * , court poet to Emperor and
 * , empress of the Jin Dynasty, wife of Emperor Mu
 * , Catholic monk
 * , Jin Dynasty (265-420) warlord who briefly took over the imperial throne from Emperor An of Jin
 * , Catholic monk
 * , Jin Dynasty (265-420) warlord who briefly took over the imperial throne from Emperor An of Jin