909 Cluny founded by Duke William the Pious of Aquitaine
Charles the Simple grants the area surrounding Rouen
to the Viking leader Rollo: beginnings of the duchy
of Normandy
915 Arab raiders ousted from mouth of River Garigliano in
Italy
922 Robert of Neustria rebels against Charles the Simple
and wins the French crown
923 On Robert's death Duke Raoul of Burgundy becomes
king; Charles the Simple is imprisoned by Herbert II
of Vermandois and dies in captivity in 929
933 Henry I of Germany defeats the Magyars at Riade
939-42 Robert of Neustria's son, Hugh the Great, and son-in-
law, Herbert II of Vermandois, rebel against Louis
IV of France
948 Otto I of Germany founds missionary bishoprics at
Brandenburg, Havelburg, Ribe, Aarhus, and
Schleswig
953-4 Revolt of Liudolf and other dukes against Otto I
955 Otto I defeats the Magyars at the battle of the Lechfeld
and ends their raids
961 Byzantines recapture Crete
962 Otto I crowned emperor by Pope John XII
963 Foundation of the Great Lavra monastery on Mount
Athos by St Athanasius; Otto I defeats Mieszko I of
Poland and obliges him to pay tribute
965 Byzantines recapture Cyprus; King Harold Bluetooth
of Denmark is baptized
966 Mieszko adopts Christianity
968 Otto I founds the archbishopric of Magdeburg; the first
Polish bishopric is established at Poznan
978 Lothar V of France and Otto II of Germany lead
campaigns against each other
982 Otto II defeated in southern Italy by Muslims
982-3 The Slavs revolt against German rule and recover most
of their territories to the east of the Elbe
987 Death of Louis V, last Carolingian king of France, and
accession of King Robert's grandson, Hugh Capet
988 Charles of Lorraine contests Hugh's succession and
seizes Laon, then Rheims; in 991 he is betrayed and
dies in captivity the next year
989 Truce of God first proclaimed, at Charroux

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