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This article is about the year 939. For the CPU socket, see Socket 939

Vietnam, under the name Dai Co Viet, became independent from China.

Edmund I of England succeeds to the throne of England

July 14 - Pope Stephen VIII (sometimes referred to as Stephen IX) succeeds Pope Leo VII as the 127th pope.

Arabs lose Madrid to the Kingdom of Leon.

Emperor Romanus II of the Byzantine Empire

July 13 - Pope Leo VII

October 2 - Gilbert, Duke of Lorraine

October 27 - King Athelstan of England