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1079
| 1079 • Persian astronomer, Omar Khayyám, computed the length of the year to be exactly 365.24219858156 days, the most accurate calculation of his time. Khayyam also, in Treatise on Demonstrations of Problems in Algebra, produced a complete classification of cubic equations and their geometric solutions. |
about
Age: 1y
1080
Age: 1y
baptismShe was christened (baptised) Edith, and Robert Curthose stood as godfather at the ceremony. Queen Matilda, consort of William the Conqueror, was also present, and was godmother. Baby Matilda pulled at Queen Matilda's headress, which was seen as an omen that the younger Matilda would be queen one day. |
| 1080 • King Alfonso VI of León and Castile establishes Latin liturgy in the Catholic Church in place of the Mozarabic Rite. |
1100
Nov 11
Age: 21y
marriageHenry I Beauclerc Westminster Abbey, Greater London, England ⇓ Married by Archbishop Anselm of Canterbury. 1 Source ⇓ |
| 1100 • At the death of antipope Clement III, the supporters of the Holy Roman Emperor in Rome choose Theodoric as his successor. |
1102
Feb 7
Age: 23y
birth of childEmpress Matilda Of England 2 Sources ⇓ |
| 1102 • The Hohenbaden castle is built in Baden-Baden, Germany. |
1118
May 1
Age: 39y
| 1118 • Bahram Shah becomes Ghaznavid Emperor. |