1079

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

1079 in other calendars

Gregorian calendar	1079 MLXXIX
Ab urbe condita	1832
Armenian calendar	528 ԹՎ ՇԻԸ
Assyrian calendar	5829
Balinese saka calendar	1000–1001
Bengali calendar	486
Berber calendar	2029
English Regnal year	13 Will. 1 – 14 Will. 1
Buddhist calendar	1623
Burmese calendar	441
Byzantine calendar	6587–6588
Chinese calendar	戊午年 (Earth Horse) 3775 or 3715     — to — 己未年 (Earth Goat) 3776 or 3716
Coptic calendar	795–796
Discordian calendar	2245
Ethiopian calendar	1071–1072
Hebrew calendar	4839–4840
Hindu calendars
- Vikram Samvat	1135–1136
- Shaka Samvat	1000–1001
- Kali Yuga	4179–4180
Holocene calendar	11079
Igbo calendar	79–80
Iranian calendar	457–458
Islamic calendar	471–472
Japanese calendar	Jōryaku 3 (承暦３年)
Javanese calendar	983–984
Julian calendar	1079 MLXXIX
Korean calendar	3412
Minguo calendar	833 before ROC 民前833年
Nanakshahi calendar	−389
Seleucid era	1390/1391 AG
Thai solar calendar	1621–1622
Tibetan calendar	ས་ཕོ་རྟ་ལོ་ (male Earth-Horse) 1205 or 824 or 52     — to — ས་མོ་ལུག་ལོ་ (female Earth-Sheep) 1206 or 825 or 53

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