7 Charlemagne 7
libraries, and teaching techniques—upon which later cul-
tural revivals would be based. The impetus he gave to the
lord-vassal relationship and to the system of agriculture
known as manorialism—in which peasants held land from
a lord in exchange for dues and service—played a vital role
in establishing the seignorial system. The seignorial sys-
tem, in which lords exercised political and economic
power over a given territory and its population, in turn
had the potential for imposing political and social order
and for stimulating economic growth. Although his eco-
nomic and social initiatives were motivated chiefly by
his moral convictions, these measures gave modest sup-
port to movements that eventually ended the economic
depression and social instability that had gripped western
Europe since the dissolution of the Roman Empire in the
4th and 5th centuries.
William I
(b. c. 1028, Falaise, Normandy [France]—d. Sept. 9, 1087, Rouen)
O
ne of the greatest soldiers and rulers of the Middle
Ages, William I (also known as William the
Conqueror) reigned as duke of Normandy from 1035 and
king of England from 1066 until his death in 1087. He
made himself the mightiest noble in France and then
changed the course of England’s history with his conquest
of that country.
William was an illegitimate son of Robert I, duke of
Normandy, and his concubine Herleva. When Robert
died in 1035, he was succeeded by William, who was only
seven. He was accepted as duke by the Norman magnates
and by his overlord, King Henry I of France. William and
his supporters had to overcome enormous obstacles,
including William’s illegitimacy and the fact that he had