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links: Holy Roman Empire November 21 Bari 970s 940s Byzantine Empire Egypt December 15 983 Japan 1077 Albert II, Count of Namur 1068 Ali Song Dynasty 1021 Book of Optics 1076 Alhazen Henry II, Holy Roman Emperor 1012 East Anglia 950s 1071 980 Persian people Albert I, Count of Namur December 12 June 11 Georgia (country) Archbishop of Canterbury February 23