Otto I, Holy Roman Emperor (died 973)

Otto I, known as Otto the Great or Otto of Saxony, was East Frankish (German) king from 936 and Holy Roman Emperor from 962 until his death in 973. He was the eldest son of Henry the Fowler and Matilda of Ringelheim.

Year 973 (CMLXXIII) was a common year starting on Wednesday of the Julian calendar.

November 23 is the 327th day of the year in the Gregorian calendar; 38 days remain until the end of the year.