1037

Events

• Construction of the church of Saint Sophia Cathedral is started in Kyiv.
• Ferdinand I of Castile and Leon becomes king of Spain.
• Harthacanute seizes the crown of England from his half-brother Harold I.

Births

• Su Dongpo, Chinese poet (d. 1101)

Deaths

• Avicenna, Persian physician, philosopher, and scientist (b. 980)