:''This article is about the year 911
A.D.. For the emergency telephone number, see
9-1-1. For the terrorist attacks in the
United States, see
September 11, 2001 attacks; for other uses, see
911 (disambiguation).''
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Events
By Place
Europe
★ Autumn —
Charles the Simple agrees to the
Treaty of St.-Claire-sur-Epte, ceding the lower
Seine area to the
Norse and
Norman invaders under
Rollo, the first
Duke of Normandy.
★ The town of
Drogheda in Ireland, is founded by the
Danes.
★ Prince
Oleg of Novgorod raids
Byzantine Empire and forces
Leo VI the Wise to sign a trade agreement.
By Topic
Religion
★
April —
Pope Anastasius III succeeds
Pope Sergius III as the 120th
pope.
Deaths
★
Wilfred II Borrel, count of Barcelona
★
Louis the Child, last Carolingian ruler of the East Franks
★
Pope Sergius III
★
Earl Aethelred of Mercia, husband of
Ethelfleda
★
Hugh Hallman, Duke of
Tempe