Mar 18 1st Latern Council (9th ecumenical council) opens in Rome in the year 1123.
Aug 29 King Eystein I of Norway (b. ca. 1088) died in the year 1123.
Dec 04 On this day in history death of omar Khayyám, Persian poet, astronomer, mathematician, and philosopher (b. 1048)
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Important Dates And Events In History - Hisdates.Com