Feudalization of Western Europe

Timeline

1. 900–920France · FranceAfter the Carolingian Empire split, central authority in West Francia weakened; local counts effectively controlled territories and justice, fiefs gradually became hereditary, and feudal bonds of dependence replaced the imperial bureaucracy as the basis of local governance.
2. 920–980Across Western Europe · Western EuropeFrom the mid-10th century, stone castles spread rapidly across Western Europe, with lords using them as strongholds to control the surrounding countryside; armed knights served as vassals fulfilling military obligations, forming a three-tier feudal structure of lord, vassal, and peasant.
3. 980–1000Western Europe · Western EuropeBy the end of the 10th century, feudal customs—vassals swearing homage, lords providing protection, and fiefs not being arbitrarily reclaimed—were widely established in Western Europe; church lands were also incorporated into the feudal system, and the medieval feudal order was essentially formed.