939

Events of the year 939

• Edmund I assumed the throne in England, succeeding Athelstan who died on October 27.
• Vietnam threw off Chinese domination inaugurating the Ngo Dynasty.
• Stephen IX became Pope.

Famous rulers reigning in 939

• King Louis IV of France.
• King Håkon I den Gode of Sweden
• Igor ruled in Russia.

Mathematical facts about the number 939

• The factorial of 939 (939!) begins with 2605 and stretches 2386 digits long.
• Divisible by 3, so therefore not prime.
• The Roman Numeral is CMXXXIX.

Other various 939 representations

• Denotes items on the history of the ancient world not covered by the other 900 classifications in the Dewey Decimal System.
• State highway in Iowa.