975

Year 975 (CMLXXV) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.

Byzantine Empire

 * Arab–Byzantine War: Emperor John I raids Mesopotamia and invades Syria, using the Byzantine base at Antioch to press southwards to Tripoli. He conquers the cities of Baalbek, Damascus, Sidon, Tiberias and Caesarea, but fails to take Jerusalem.

Europe

 * October 15 – Oberto I (Obizzo), an Italian count palatine, dies. The Marca Obertenga (Eastern Liguria) is divided among the Obertenghi family.
 * Emperor Otto II (the Red) leads a punitive expedition against Boleslaus II, duke of Bohemia (approximate date).

England

 * July 8 – King Edgar I (the Peaceful) dies at Winchester after a 16-year reign. He is succeeded by his 12-year-old son Edward II (the Martyr) as ruler of England.

Africa

 * December 21 – Caliph Al-Mu'izz dies in Egypt after a 22-year reign in which he has extended his realm from Sicily to the Atlantic. He is succeeded by his son Al-Aziz Billah as ruler of the Fatimid Caliphate.

China

 * Emperor Taizu conquers Hunan Province and brings the power of the military under Song control. Ending the era of the warlords (approximate date).

Religion

 * March – Otto II appoints his archchancellor Willigis as archbishop of Mainz. He receives the pallium from Pope Benedict VII.

Births

 * July 25 – Thietmar, bishop of Merseburg (d. 1018)
 * Adalbold II, bishop of Utrecht (d. 1026)
 * Amadeus I, count of Savoy (approximate date)
 * Bouchard II, French nobleman (d. 1020)
 * Conrad I, German nobleman (d. 1011)
 * Cunigunde, Holy Roman Empress (d. 1040)
 * Elijah, bishop of Beth Nuhadra (d. 1046)
 * Gerard I, bishop of Cambrai (approximate date)
 * Gero II, German nobleman (d. 1015)
 * Guo, empress of the Song Dynasty (d. 1007)
 * Hugh of Chalon, French bishop (approximate date)
 * Izumi Shikibu, Japanese poet (approximate date)
 * Oldřich, duke of Bohemia (approximate date)
 * Sophia I, German princess and abbess (d. 1039)
 * Stephen I, king of Hungary (approximate date)

Deaths

 * June 28
 * Cyneweard, bishop of Wells (Somerset)
 * Thurcytel, abbot of Crowland (approximate date)
 * July 4 – Gwangjong (Wang So), Korean king (b. 925)
 * July 8 – Edgar I (the Peaceful), king of England
 * July 31 – Fu Yanqing, Chinese general (b. 898)
 * October 15 – Oberto I, Italian count palatine
 * November 12 – Notker Physicus, Swiss painter
 * November 26 – Conrad, bishop of Constance
 * December 21 – Al-Mu'izz, Fatimid caliph (b. 932)
 * December 27 – Balderic, bishop of Utrecht (b. 897)
 * Bilgetegin, Samanid officer and governor
 * Cináed ua hArtacáin, Irish Gaelic poet
 * Dyfnwal ab Owain, king of Strathclyde
 * Gu Hongzhong, Chinese painter (b. 937)
 * Master Geng, Chinese alchemist
 * Olof II, king of Sweden (approximate date)
 * Theobald I, Frankish nobleman (b. 913)
 * Wynsige (or Wynsy), bishop of Lichfield
 * Yongming Yanshou, Chinese Zen master (b. 904)