978 in history

Died in 978

Feb 22 Lambert of Chalon the count of Chalon from 956 to 978, and count of Autun.
Mar 18 Edward the Martyr King of the English from 975 until he was murdered in 978. Edward was the eldest son of King Edgar but was not his father's acknowledged heir. On Edgar's death, the leadership of England was contested, with some supporting Edward's claim to be king and others supporting his much younger half-brother Æthelred the Unready, recognized as a legitimate son of Edgar. Edward was chosen as king and was crowned by his main clerical supporters, the archbishops Dunstan and Oswald of Worcester
May 18 Frederick I Duke of Upper Lorraine the count of Bar and duke of Upper Lorraine. He was a son of Wigeric, count of Bidgau, also count palatine of Lorraine, and Cunigunda, and thus a sixth generation descendant of Charlemagne
Aug 15 Li Yu (Southern Tang) the third ruler of the Southern Tang state during imperial China's Five Dynasties and Ten Kingdoms period. He reigned from 961 until 976, when he was captured by the invading Song Dynasty armies which annexed his kingdom. He died by poison on orders of Emperor Taizong of Song after 2 years essentially as an exiled prisoner