Events Europe April 18—Boleslaw I Chrobry is crowned as the first king of Poland. Asia Srivijaya, a partly Buddhist kingdom based in Sumatra, is attacked by the Chola Empire of southern India in a dispute over trading rights in South-east Asia. It survives, but declines in importance. Constantine VIII succeeds his brother Basil II as Byzantine Emperor. Births August 28—Emperor Go-Reizei of Japan (d. 1068) Anna Dalassena, Byzantine regent (d. 1102) Deaths June 17—Boleslaw I Ch… (More on 1025)