1079

Years: 1076 1077 1078 - 1079 - 1080 1081 1082
Decades: 1040s 1050s 1060s - 1070s - 1080s 1090s 1100s
Centuries: 10th century - 11th century - 12th century

Persian astronomer, Omar Khayyám, computed the length of the year as 365.24219858156 days which has been the most accurate calculation of old times. Khayyam also, in Treatise on Demonstrations of Problems in Algebra, produced a complete classification of cubic equations and their geometric solutions.
Murder of Saint Stanislaus of Szczepanów (pol. Stanisław ze Szczepanowa) by Polish King Bolesław II the Bold
Halsten and Ingold I succeed Haakon the Red in Sweden.
Ladislaus Herman succeeds Boleslaus II in Poland.
William I of England establishes the New Forest.
Constance of Burgundy founds a monastery in Burgos.
Abbess Hildegarde of St. Ruprechtsberg makes the first surviving reference to the use of hops in brewing. (or 1067? - Hildegard of Bingen/Rupertsberg lived from 1098-1179. The reference attributed to her cannot be 1067.)

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