1079

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1040s  1050s  1060s  – 1070s –  1080s  1090s  1100s
Years:	1076 1077 1078 – 1079 – 1080 1081 1082

1079 by topic
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Archaeology Architecture Art Literature Poetry Music Science
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Birth and death categories
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Establishments and disestablishments categories
Establishments Disestablishments
Works category
Works

1079 (MLXXIX) was a common year starting on Tuesday of the Julian calendar, the 1079th year of the Common Era (CE) and Anno Domini (AD) designations, the 79th year of the 2nd millennium, the 79th year of the 11th century, and the 10th and last year of the 1070s decade. As of the start of 1079, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Stanislaus of Kraków

Events

• Persian astronomer, Omar Khayyám, determined the length of the year as 365.24219858156 days which has been the most accurate calculation of old times. Khayyam also wrote Demonstrations of Problems in Algebra, produced a complete classification of cubic equations and their geometric answers.
• Murder of Saint Stanislaus of Szczepanów (pol. Stanisław ze Szczepanowa) by Polish King Bolesław II the Bold
• Upon the death of Håkan the Red, Halsten returns as king of Sweden, jointly with his brother Inge the Elder.
• Ladislaus Herman succeeds Boleslaus II in Poland.
• William I of England establishes the New Forest.
• Constance of Burgundy founds a monastery in Burgos.

Births

• August 8 – Emperor Horikawa of Japan (d. 1107)
• Peter Abelard, French scholastic philosopher (d. 1142)

Deaths

• April 11 – Stanislaus of Szczepanów, bishop of Kraków
• date unknown
  • Adela of France, Countess of Flanders, wife of Baldwin V, Count of Flanders and mother of Matilda of Flanders, Queen of England (born 1010)
  • Agatha of Hungary, wife of Edward the Exile (born 1024)
  • Agatha of Normandy, Queen of Castile, daughter of William the Conqueror (born 1064)
  • Håkan the Red, king of Gothenland since 1070 and king of Sweden since 1075