Constantine VIII Rules Alone: Byzantine Empire Stabilizes After Decades

Constantine VIII finally assumed sole control of the Byzantine Empire at age sixty-five, after spending sixty-three years as a titular co-emperor overshadowed by his brother Basil II. His brief three-year reign was marked by court intrigue and hasty political decisions that squandered the military gains his brother had spent decades securing. Constantine had been nominally co-emperor since 962, when he was crowned alongside his brother as children. Basil II, known as the "Bulgar-Slayer" for his brutal campaigns against the Bulgarian Empire, governed with competence and aggression for nearly fifty years, conquering Bulgaria, extending the empire's frontiers in Syria and Armenia, and filling the imperial treasury. Constantine played no meaningful role in governance during this period, living a life of luxury in the imperial palace and showing no interest in military or administrative affairs. When Basil died on December 15, 1025, Constantine inherited an empire at the peak of its medieval power and immediately proved unequal to the responsibility. He appointed favorites to military commands based on personal loyalty rather than competence, reversed his brother's careful fiscal policies, and alienated the military aristocracy that had been the foundation of Byzantine power. His most consequential decision was arranging the marriage of his daughter Zoe to Romanos III Argyros, who succeeded him as emperor after Constantine's death in 1028. The succession of emperors connected to Constantine's daughters, none of whom proved capable of maintaining Basil II's military gains, began the empire's gradual decline that would culminate in the disaster at Manzikert in 1071, when Seljuk Turks destroyed the Byzantine army and began the conquest of Anatolia.