History of the Frankish Realms

Between about 450 and 900, Frankish rulers built kingdoms and an empire across western and central Europe. Gaul, the Roman province covering much of what is now France, supplied an established landscape of towns, churches, written administration and aristocratic landholders. Merovingian and Carolingian kings worked through these local relationships as they expanded their authority. Inheritance repeatedly divided territories among royal relatives, so the realm’s political shape changed even while its courts and institutions continued.

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The Merovingian kingdoms

Clovis became king of the Salian Franks in the late fifth century. By his death in 511, he had made the Frankish kingdom the leading power in much of former Roman Gaul. Clovis’s conquests established a strong kingdom in Gaul before his death in 511, but the dynasty’s rule depended on more than conquest. Christian bishops already led urban churches and held property. Royal patronage connected kings with these church communities, while their officials, clergy and aristocratic landholders linked the court to cities and estates. Roman administrative practices and Latin writing also remained in use, giving the new rulers institutions they could adapt.

When Clovis died, his four sons divided the kingdom among themselves. Their descendants repeatedly shared and reunited territories through inheritance, warfare and marriage. Austrasia, Neustria and Burgundy became names for regions with their own courts and aristocratic networks; their boundaries and political weight changed as rulers divided or reunited the realm. The royal court was a working center where the king’s armed following and senior officials gathered, aristocrats sought office or favor, and councils heard political and legal disputes. A ruler’s ability to distribute honors, command military service and negotiate with powerful families helped hold together lands whose regional leaders retained their own influence.

From palace office to Carolingian kingship

The family that became Carolingian gained authority while Merovingian kings still held the throne. Its leading members served as mayors of the palace, senior officers who managed the royal household and increasingly directed military and political affairs. Pippin, who held this office with his brother Carloman, replaced the last Merovingian king, Childeric III, and became king in 751. The change in dynasty made an existing concentration of power explicit in the royal title. Carolingian rulers continued to use the courts, regional relationships and church institutions that had supported Merovingian rule.

The new dynasty then built a close alliance with the papacy. Pope Stephen II crossed the Alps to meet Pippin in 753, and Frankish and papal accounts describe the pope anointing Pippin and his family. Pippin in turn sent campaigns against the Lombard king in Italy, whose pressure threatened Rome. The alliance joined papal recognition and Frankish military protection, and later shaped how Pippin’s son Charlemagne related to Rome. The details of relations with the papacy therefore belong to the political story of how the Carolingians established and extended their kingship.

Expansion and the imperial title

After Pippin died in 768, his sons Charles and Carloman each received a kingdom. When Carloman died in 771, Charles took control of his brother’s lands and became the sole ruler of the Frankish kingdom. Known as Charlemagne, he expanded the realm through campaigns that reached Lombard Italy, Saxony in present-day northern Germany, Bavaria and lands toward the Danube. Some conquests required repeated campaigns. In Saxony, warfare that began in 772 continued until 804. Charlemagne’s biographer Einhard describes submission involving hostages, the placement of royal officers and demands to accept Christianity. Royal officials and church networks helped connect newly controlled regions to the court, while local leaders remained important intermediaries.

On Christmas Day in 800, Pope Leo III crowned Charlemagne emperor in Rome. The title associated his rule with Roman imperial authority and strengthened the Frankish alliance with the papacy. This was the Carolingian imperial title; the separate Holy Roman Empire is conventionally dated from Otto I’s coronation in 962, more than a century and a half later.

Succession and divided realms

Charlemagne’s son Louis the Pious succeeded him in 814. Louis tried to preserve a single imperial order while assigning kingdoms to his sons, but the birth of another son and repeated changes to those arrangements drew the brothers and their supporters into conflict. After Louis died in 840, his sons fought a civil war. Charles the Bald and Louis the German allied against their brother Lothar, and the costly battle of Fontenoy in 841 helped push the rivals toward settlement.

The Treaty of Verdun in 843 divided the Carolingian inheritance among the three surviving brothers: Charles received the western lands, Louis the eastern lands, and Lothar a long central territory that included Italy and lands between the other two kingdoms. Later inheritances divided that middle realm again. By about 900, West Francia, East Francia and Italy had separate courts and political trajectories, although their rulers continued to draw on Carolingian titles and practices. For the wider setting, see Frankish History and Society.