Siege of Trsat

The siege of Trsat ( hr, Opsada Trsata) was a battle fought over possession of the town of Trsat ( la, Tarsatica)The city of Tarsatica, where the siege happened, was probably located at the present Old Town in Rijeka, not at Trsat itself, which is found on a hill overlooking Rijeka on the other side of the Rječina River. Trsat was actually founded by the Tarsatica's surviving inhabitants, a year after the siege. (Croatian Academy of America. ''Journal of Croatian studies'' (1986), Vol. 27–30) in Liburnia, near the Croatian–Frankish border.Scholz 1970, p. 191 The battle was fought in the autumn of 799 between the defending forces of Dalmatian Croatia under the leadership of Croatian duke Višeslav, and the invading Frankish army of the Carolingian Empire led by Eric of Friuli. The battle was a Croatian victory, and the Frankish commander Eric was killed during the siege.Žic 2001, p. 18

The Frankish invasion of Croatia, the destruction of Tarsatica, the coronation of Charlemagne as Holy Roman Emperor, and negotiations from 802–815 between the Franks and Byzantines led to a stalemate. Dalmatian Croatia consequently peacefully accepted a limited Frankish overlordship.Dzino 2010, p. 183

Background

Charlemagne, King of the Franks from 768 until his death in 814, expanded the Frankish kingdom into an empire that incorporated much of western and central Europe.Ross 1945, pp. 212–235 He brought the Frankish state face to face with the Slavs to the northeast and the Avars and Slavs to the southeast of the Frankish Empire. The Croats lived in Principality of Lower Pannonia and Dalmatian Croatia (Littoral Croatia) to the southeast of the Frankish Empire. Dalmatian Croatia was ruled by Duke Višeslav, one of the first known Croatian dukes.Fine 1991, p. 296

While fighting the Avars, the Franks called for Slavic-Croatian support. Croatian Prince Vojnomir launched a joint counterattack with the help of Frankish troops under Charlemagne in 791.Dvornik 1959, p. 69 The offensive was successful and the Avars were driven out of Croatia. In return for the help of Charlemagne, Vojnomir was obliged to recognize Frankish sovereignty, convert to Christianity, and have his territory named Principality of Lower Pannonia. Charlemagne again campaigned against the Avars and won a major victory in 796.Fine 1991, p. 257 Prince Vojnomir aided him, and the Franks became overlords of the Croatians of northern Dalmatia, Slavonia, and Pannonia. The Franks placed Pannonian Croats under Eric, the margrave of Friuli, who then tried to extend his rule over the Croatians of Dalmatia.Fine 1991, p. 252

The conquest of Istria by the Franks brought the realm of Charlemagne adjacent to Dalmatia.Bury 2008, p. 329 Dalmatia at that time included both Roman cities and a Slavic-Croatian hinterland that was loosely subject to the rule of the Byzantine Empire. In the treaty of 798, the Franks acknowledged Byzantine rights over the Slavs, but in the following years both Croatian Župans (dukes) and Roman communities recognized an opportunity to win full independence from both Imperial powers.

As the eldest son of Gerold of Vinzgouw and as a high ranking Frankish commander, Eric was titled from 789 to his death the Duke of Friuli (''dux Foroiulensis''). He was appointed governor of Istria, Friuli, and neighbouring areas by Charlemagne. Eric wanted to extend his dominion by conquering Dalmatian Croatia.According to Denis Sinor, it is possible that Eric set his army to fight the Avars and was attacked by Croats at Trsat. (Sinor (1990), p. 219.) In the autumn of 799, Eric marched from Istria along the seacoast of Liburnia towards the town of Trsat, which is today part of the city of Rijeka.Klaić 1985, pp. 63–64 Meanwhile his opponent, Duke Višeslav, gathered his forces and moved north from his governing center at Nin.

Siege

Upon arriving at the foot of the settlement, Eric besieged and attacked the city, but was repelled. Led by Duke Višeslav, the inhabitants of Trsat threw spears, shot arrows, and hurled huge stones on the enemy, and managed to kill many of them.This description of the battle can also be found in primary material from Aquileian Patriarch Saint Paulinus II. In his poem "Versus de Herico duce" he mention throwing spears, arrows, and huge stones upon Eric. Eric's forces fled their positions, and were subsequently routed by the forces of Višeslav in an ambush.Tomac 1959, p. 304 Eric was among those killed, and his death and defeat proved to be a great blow for the Carolingian Empire.Einhard, Vita Karoli Magni Aquileian Patriarch Saint Paulinus II cursed the land in which the hero was killed, and wrote ''Carmen de regula fidei'', the rhythmus or elegy for his death.

According to contemporary Frankish scholar and courtier Einhard, Eric was killed at Trsat (Tarsatch), a town on the coast of Liburnia, by the treachery of the inhabitants. Due to a lack of primary materials, it is uncertain who killed Duke Eric. Most of historians point at Croats,Riché 1993, p. 111 while some point at Byzantines.Labus 2000, pp. 1–16 Einhard also notes the death of Gerold, Prefect of Bavaria, another Frankish commander who was slain in Pannonia in the same year. Croatian historian Nenad Labus refers to this event as a successful assassination attempt by Avars and Slavs. Historian Pierre Riché believes that Dalmatian Croats (Guduscani) killed Eric in collusion with Avars.

Besides the Royal Frankish Annals (''Annales Regni Francorum''), there is another primary source compiled in c. 950, the historical work '' De administrando imperio'', ascribed to Constantine Porphyrogenitus, which refers to Croatian-Frankish relations.Constantine Porphyrogenitus, pp. 143–145 Constantine notes that for a number of years the Croats of Dalmatia were subjects of the Franks, who treated them brutally. The Croats revolted and slew their princes. In an act of revenge, a large army from Francia invaded Croatia. After seven years of war, the Croats managed to defeat the Franks, killing a large portion of the invading army along with its commander. Although Constantine describes a chain of events that are analogous to the siege of Trsat, he does not mention Tarsatica or the exact year of these events.

Aftermath

In 800, Eric's successor Cadolah of Friuli invaded Dalmatian Croatia by the order of Charlemagne, but without considerable military success. Still, Tarsatica was burned down.Historians have a disagreement whether Tarsatica was destroyed in 799 or in 800. Tarsatica's surviving inhabitants moved to a more protected hill, where they established a new settlement called Trsat.According to Ferdo Šišić, Rijeka was founded by the Croats after the destruction of Tarsatica. (Šišić, Ferdo. ''Abridged Political History of Rieka (Fiume)'' (1919)) Višeslav continued to rule over Dalmatian Croatia and warred against the Franks, avoiding defeat upon his death in 802. He was succeeded by his son Borna, who later become a Frankish ally.

On Christmas Day in 800, Pope Leo III crowned Charlemagne as Imperator Romanorum ( Holy Roman Emperor) in Saint Peter's Basilica. This was a direct challenge to Byzantium's claim to be the one—the Roman—empire. Nicephorus I of the Byzantine Empire and Charlemagne of the Holy Roman Empire settled their imperial boundaries in 803. Dalmatian Croatia peacefully accepted a limited Frankish overlordship. The peace of Aache in 812 confirmed Dalmatia, except for the Byzantine cities and islands, as under Frankish domain.

Ljudevit Posavski, Croatian Duke of Pannonian Croatia, led a resistance to Frankish domination.Riché 1993, pp. 158–159Royal Frankish Annales Annales Regni Francorum ed. G. H. Pertz. Monumenta Germanicae Historica, Scriptores rerum Germanicarum 6, (Hannover 1895) for the years 819–822. Ljudevit also had to fight against Dalmatian Croatia, as their prince Borna was a Frankish ally.Scholz 1970, p. 106 After unsuccessful resistance by Ljudevit and Pannonian Croats, the Franks again controlled Istria, Dalmatia, and Pannonia.Scholz 1970, p. 197 Nevertheless, Dalmatian Croatia remained a semi-independent duchy between the two Empires, as they had a right to elect their own prince.

See also

* List of Croatian rulers
* List of Frankish kings

Notes

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External links

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Map of Littoral Croatian Duchy in early 9th century

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Trsat
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History of Rijeka
8th century in Croatia
790s conflicts
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Charlemagne
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8th century in Francia