|Tsar of Bulgaria|
|Successor||George Terter II|
|Issue||George Terter II|
|Father||George Terter I|
Theodore Svetoslav (Bulgarian: Тодор Светослав, Todor Svetoslav and also Теодор Светослав, Teodor Svetoslav) ruled as emperor (tsar) of Bulgaria from 1300 to 1322. The date of his birth is unknown. He was a wise and capable ruler who brought stability and relative prosperity to the Bulgarian Empire after two decades of constant Mongol intervention in the internal issues of the Empire. Theodore Svetoslav's reign began with the return of Southern Bessarabia to Bulgaria and a few years later he managed to defeat the Byzantines and retake most of northern Thrace occupied by them during the crisis. After 1307 he led a peaceful policy towards all neighbours, which resulted in expanded trade and economy.
Apart from his external and economic successes, Theodore Svetoslav dealt with the separatists among the nobility including his uncle. He persecuted the traitors who he thought were responsible for the Mongol interference and even the Patriarch, Joachim III, was executed.
Theodore Svetoslav was the son of George Terter I by Maria. Soon after the accession of Ivan Asen III in 1279 his father divorced his mother in order to marry the sister of the new emperor. Maria and Theodore Svetoslav were sent to the Byzantine Empire as hostages, and settled in Nicaea.
The accession of George Terter I to the throne in 1280 did not alter matters, but in 1281 Theodore Svetoslav was betrothed (in absentia) to a daughter of the sebastokratōr John I Doukas of Thessaly, as part of a diplomatic alliance. The young bride-to-be arrived in Tărnovo, but never met her intended husband.
In 1284 George Terter I concluded a new treaty with Andronikos II Palaiologos, and retrieved his first wife, while Theodore Svetoslav at first remained a hostage. The same treaty required the breaking off of the alliance with Thessaly and Theodore Svetoslav's intended bride was also sent to Byzantium. It was only in 1285 that the Patriarch of Bulgaria Joakim III arrived in Constantinople and arranged for the release of Theodore Svetoslav, who was now supposed to marry a daughter of the high court official John Synadenos. We have no information whether this marriage materialized.
In Bulgaria Theodore Svetoslav was associated as co-emperor by his father, who issued coins representing them side by side. Nevertheless, after particularly devastating Mongol raids, George Terter I dispatched his son as hostage to Nogai Khan, the effective leader of the Mongol Golden Horde in about 1289. Perhaps in connection with the same events, Theodore Svetoslav's unnamed sister married Nogai's son Chaka. During part of his exile, Theodore Svetoslav became impoverished and sought to improve his fortunes by marrying the rich Euphrosyne, the god-daughter of Nogai's wife Euphrosyne Palaiologina, who was herself an illegitimate daughter of Emperor Michael VIII Palaiologos.
Theodore Svetoslav left obscurity in 1298 or 1299, when he accompanied his brother-in-law Chaka in an invasion of Bulgaria. The regency for Ivan II fled Tărnovo in 1299, and Theodore Svetoslav helped convince the Bulgarian nobility to accept Chaka as ruler. However, the armies of the khan of the Golden Horde Toqta entered Bulgaria in pursuit of his enemy Chaka, and Theodore Svetoslav promptly organized a plot, deposing Chaka and having him strangled in prison in 1300. Theodore Svetoslav now became emperor of Bulgaria and sent Chaka's severed head as a present to Toqta, who withdrew his armies from the country.
The reign of Theodore Svetoslav is connected with the internal stabilization and pacification of the country, the end of Mongol overlordship, the reassertion of relatively effective central control over outlying provinces, and the recovery of portions of Thrace lost to the Byzantine Empire since the wars against Ivaylo of Bulgaria.
Theodore Svetoslav pursued a ruthless course of action, punishing all who stood in his way, including his former benefactor, Patriarch Joachim III, who was accused of treason and executed. In the face of the new emperor's brutality, some noble factions sought to replace him with other claimants to the throne, backed by Andronikos II. A new claimant appeared in the person of the sebastokratōr Radoslav Voïsil or Vojsil, from Sredna Gora, a brother of the former emperor Smilets, who was defeated, and captured by Theodore Svetoslav's uncle, the despotēs Aldimir (Eltimir), at Krăn in about 1301. Another pretender was the former emperor Michael Asen II, who unsuccessfully tried to advance into Bulgaria with a Byzantine army in about 1302. Theodore Svetoslav exchanged thirteen high-ranking Byzantine officers captured on Radoslav's defeat for his father George Terter I, whom he settled in a life of luxury in an unidentified city.
As a consequence of his victories, Theodore Svetoslav felt secure enough to move on to the offensive by 1303 and captured the fortresses of northeastern Thrace, including Mesembria (Nesebăr), Anchialos (Pomorie), Sozopolis (Sozopol), and Agathopolis (Ahtopol) in 1304. The Byzantine counterattack failed at the battle of Skafida near Poros (Burgas), where the Co-emperor Michael IX Palaiologos was turned to flight. Nevertheless, the war continued, with Michael IX and Theodore Svetoslav taking turns pillaging each other's lands. In the following 1305 Theodore Svetoslav's uncle Aldimir appears to have entered into negotiations with the Byzantines, and Theodore Svetoslav annexed his uncle's lands. In 1306 Theodore Svetoslav gained the services of the rebellious Alan mercenaries to the Byzantines, whom he settled in Bulgaria, and made unsuccessful overtures to the mercenaries of the Catalan Company, who had also rebelled against their Byzantine employers. The war ended with a peace treaty in 1307, cemented with a marriage between the widowed Theodore Svetoslav and Theodora, a daughter of the Co-emperor Michael IX Palaiologos.
Until the end of his life Theodore Svetoslav remained at peace with his neighbors. His reassertion of central control over outlying provinces such as Vidin was probably peaceful, and the sparsely documented recovery of the banate of Severin from the Kingdom of Hungary must have been achieved during the dynastic struggles in that country. In 1318 the Serbian King Stefan Uroš II Milutin visited Tărnovo, in spite of his earlier alliance with Andronikos II and his divorce from Theodore Svetoslav's sister Anna.
The only possible sign of new hostilities are two Mongol raids into Byzantine Thrace in 1320 and 1321, but these were probably executed with Bulgarian cooperation and are connected with the beginning of the civil war between Andronikos II Palaiologos and his grandson Andronikos III Palaiologos. In fact, Theodore Svetoslav sent military support to his brother-in-law Andronikos III, allegedly hoping to ensnare and capture his ally.
After a surprisingly successful reign (given the misadventures of his youth), Theodore Svetoslav died in early 1322, and was succeeded by his son George Terter II.
By his first wife Euphrosyne (Efrosina), Theodore Svetoslav had one son, George Terter II, who succeeded as emperor of Bulgaria from 1322 to 1323. It is not known if he had children by his second wife Theodora Palaiologina, daughter of Emperor Michael IX Palaiologos.
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| Tsar of Bulgaria
George Terter II