988

Events 
 Al-Azhar University is founded in Cairo, Egypt. It is the 2nd oldest university in the world.
 Vladimir I, Prince of Kiev marries Anna, sister of Byzantine emperor Basil II and converts to Christianity. Baptism of Kievan Rus'.
 Abbo becomes abbot at Fleury
 Baile Átha Cliath (Dublin, Ireland) was founded.
 Liao Dynasty adopts civil service examinations in the Southern Chancellery based on Tang Dynasty models.

 Births 
 King Edmund II of England, English royal (died 1016)
 Tilopa, Indian tantric practitioner and mahasiddha

 Deaths 
May 19 – Saint Dunstan, Archbishop of Canterbury (b. 909)