page_title: Basil II
section_title: Conquest of Bulgaria
hierarchical_section_title: Basil II / Conquest of Bulgaria
caption_attribution_description: English: Triumph of Basil II in the forum of Constantinople
context_page_description: Basil II Porphyrogenitus, nicknamed the Bulgar Slayer, was the senior Byzantine Emperor for almost 50 years, having been a junior colleague to other emperors since 960. He and his brother Constantine were named as co-rulers before their father Romanos II died in 963. The throne went to two generals, Nikephoros Phokas then John Tzimiskes, before Basil became senior emperor. His influential great-uncle Basil Lekapenos was the de facto ruler of the Byzantine Empire until 985. Basil II then held power for forty years.
  The early years of Basil's reign were dominated by civil wars against two powerful generals from the Anatolian aristocracy; first Bardas Skleros and later Bardas Phokas, which ended shortly after Phokas' death and Skleros' submission in 989. Basil then oversaw the stabilization and expansion of the eastern frontier of the Byzantine Empire and the complete subjugation of the First Bulgarian Empire, its foremost European foe, after a prolonged struggle. Although the Byzantine Empire had made a truce with the Fatimid Caliphate in 987–988, Basil led a campaign against the Caliphate that ended with another truce in 1000.
context_section_description: Basil sought to restore former territories of the Byzantine Empire. At the start of the second millennium, he fought Samuel of Bulgaria, his greatest adversary. Bulgaria had been partly subjugated by John I after the invasion of Svyatoslav I of Kiev but parts of the country had remained outside Byzantine control under the leadership of Samuel and his brothers.
  Because the Bulgars had been raiding Byzantine lands since 976, the Byzantine government sought to cause dissension among them by allowing the escape of their captive emperor Boris II of Bulgaria. This ploy failed so Basil used a respite from his conflict with the nobility to lead a 30,000-strong army into Bulgaria and besiege Sredets (Sofia) in 986. Taking losses and worried about the loyalty of some of his governors, Basil lifted the siege and returned for Thrace but he fell into an ambush and suffered a serious defeat at the Battle of the Gates of Trajan. Basil escaped with the help of his Varangian Guard and attempted to recover his losses by turning Samuel's brother Aron against him. Aron was tempted by Basil's offer of his sister Anna in marriage, but the negotiations failed when Aron discovered the bride he was sent was an imposter. By 987, Samuel had eliminated Aron. Although the titular emperor Roman of Bulgaria was captured in 991, Basil lost Moesia to the Bulgarians.
  While Basil was distracted with internal rebellions and recovering the military situation on his eastern frontier, Samuel had extended his rule from the Adriatic Sea to the Black Sea, recovering most of the territory that was controlled by Bulgaria before the invasion of Svyatoslav. He also conducted damaging raids into Byzantine territory as far as central Greece. In 996, the Byzantine general Nikephoros Ouranos defeated a Bulgarian army raid at the Battle of Spercheios in Thessaly. Samuel and his son Gabriel narrowly escaped capture.
  Beginning in 1000, Basil was free to focus on a war of conquest against Bulgaria, which he fought with grinding persistence and strategic insight. In 1000, the Byzantine generals Nikephoros Xiphias and Theodorokanos took the former Bulgarian capital Great Preslav, and the towns Lesser Preslav and Pliskova. In 1001, Basil, operating from Thessalonica, regained control of Vodena, Verrhoia, and Servia. The following year, he based his army in Philippopolis and occupied the length of the military road from the western Haemus Mountains to the Danube, cutting off communications between Samuel's Macedonian heartland and Moesia. Following this success, Basil laid siege to Vidin, which fell after a prolonged resistance. Samuel reacted to the Byzantine campaign by launching a large-scale raid into the heart of Byzantine Thrace and took the major city of Adrianople by surprise.
  After turning homeward with his extensive plunder, Samuel was intercepted near Skopje by a Byzantine army commanded by Basil, whose forces stormed the Bulgarian camp, defeating the Bulgarians and recovering the plunder from Adrianople. Skopje surrendered shortly after the battle, and Basil treated its governor Romanos with overt kindness. In 1005, the governor of Dyrrhachium Ashot Taronites surrendered his city to the Byzantines. The defection of Dyrrhachium completed the isolation of Samuel's core territories in the highlands of western Macedonia. Samuel was forced into an almost entirely defensive stance; he extensively fortified the passes and routes from the coastlines and valleys held by the Byzantines to the territory remaining in his possession. During the next few years, the Byzantine offensive slowed and no significant gains were made, although an attempt by the Bulgarians to counter-attack in 1009 was defeated at the Battle of Kreta, to the east of Thessalonica.
  In 1014, Basil was ready to launch a campaign aimed at destroying Bulgarian resistance. On 29 July 1014, in the Battle of Kleidion, he and his general Nikephoros Xiphias outmaneuvered the Bulgarian army, which was defending one of the fortified passes. Samuel avoided capture through the valor of his son Gabriel. Having crushed th
caption: Triumph of Basil II through the Forum of Constantine, from the Madrid Skylitzes
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