St Sergius I became Pope . 1025 Death of Basil II (b. 958 ), Byzantine emperor . 1072 Death of Alp Arslan (b. 1029 ), Seljuk sultan. 1263 Death of King Haakon IV of Norway (b. 1204 ). 1280 "Albertus Magnus, the bishop of Regensburg, died in 1280. He explained that