Battle of Neopatras

The Battle of Neopatras was fought in the early 1270s between a Byzantine army besieging the city of Neopatras and the forces of John I Doukas, ruler of Thessaly. The battle was a rout for the Byzantine army, which was caught by surprise and defeated by a much smaller but more disciplined force.

Background

In 1259, the Empire of Nicaea, led by Michael VIII Palaiologos (), had achieved a great victory in the Battle of Pelagonia against a coalition of its major European foes, the Despotate of Epirus, the Kingdom of Sicily, and the Principality of Achaia. This victory had in large measure been achieved through the defection of John Doukas, the illegitimate child of Michael II of Epirus. This victory enabled Palaiologos to consolidate his territories in Europe; further, the weakening of Epirus and the Latin states allowed him to carry out the reconquest of Constantinople in 1261 and to re-establish the Byzantine Empire, with himself as emperor. The Nicaean forces failed however to subdue Epirus: John Doukas quickly returned to his father's allegiance, and the local population remained loyal to Michael II. The Nicaeans were expelled from the area in 1259, and then defeated and driven out from Thessaly as well in 1260.

In 1266 or 1268, Michael II of Epirus died, and his possessions were divided among his sons: his eldest legitimate son, Nikephoros, inherited what remained of Epirus proper, while John, who had married the daughter of a local Vlach ruler of Thessaly, received Thessaly with his capital at Neopatras. Both brothers were hostile to the restored Byzantine Empire, which aimed to reclaim their territories, and maintained close relations with the Latin states in southern Greece. Nevertheless, Michael VIII tried to attach them to him through dynastic marriages: Nikephoros was given his niece Anna Kantakouzene, while one of his nephews, Andronikos Tarchaneiotes, was wed to the daughter of John Doukas, who in addition received the light title of ''sebastokrator''. Michael failed in his aim, however, as both, and particularly John, remained ill-disposed towards him. Following the deeply unpopular Union of the Churches in 1274, the two even provided refuge for the many dissenters and critics of Michael's religious policies.

Nevertheless, through the negotiations, the Act of Union and the submission of the Greek Orthodox Church to the See of Rome, Michael averted the danger of a concerted Latin attack on his state, and was free to move against his enemies. Immediately, he launched offensives against the Sicilian holdings in Albania, and against John Doukas in Thessaly.

The battle

For the campaign against Thessaly (the date is uncertain, most recent scholars favour 1272/3 or 1274/5), Michael assembled a huge force, mostly mercenaries, which contemporary sources put, certainly with considerable exaggeration, at 30,000 (Pachymeres speaks of 40,000 men, including the naval forces). These were placed under his own brother, the ''despotes'' John Palaiologos, and the general Alexios Kaballarios. This force was sent against Thessaly, and was to be aided by the Byzantine navy under the ''protostrator'' Alexios Doukas Philanthropenos, who was to attack the Latin principalities and prevent them from aiding John Doukas.

Doukas was caught completely by surprise by the rapid advance of the imperial forces, and was bottled up with few men in his capital, Neopatras, which the Byzantines proceeded to lay siege to. Doukas, however, resorted to a ruse: he climbed down the walls of the fortress with a rope and, disguised as a groom, he managed to cross the Byzantine leaguer. After three days, he reached Thebes, where he requested the aid of John I de la Roche (), the Duke of Athens.

The two rulers concluded a treaty of alliance, by which John de la Roche's brother and heir, William, would marry John Doukas's daughter Helena and receive the fortresses of Gravia, Siderokastron, Gardiki, and Zetouni as her dowry. In return, de la Roche gave Doukas 300 or 500 horsemen (depending on the source) with whom he returned quickly to Neopatras. The Byzantine force there had been considerably weakened, with several detachments sent off to capture other forts or plunder the region, and was furthermore unwieldy and not very cohesive, given the many races that served in it. According to the Venetian historian Marino Sanudo, when John Doukas and John de la Roche climbed a height and saw the huge Byzantine encampment, de la Roche uttered, in Greek, a phrase from Herodotus: "there are a lot of people here, but few men." Indeed, the Byzantine troops panicked under the sudden attack of the smaller but disciplined Latin force, and broke completely when a Cuman contingent abruptly switched sides. Despite John Palaiologos's attempts to rally his forces, they fled and scattered.

Aftermath

At the news of this success, the Latins became emboldened and assembled a fleet to attack the Byzantine fleet, which was anchored at Demetrias (near modern Volos). Initially, the Latins made good progress, inflicting many casualties on the Byzantine crews. But just as victory seemed imminent, John Palaiologos arrived with reinforcements and turned the tide of the battle. Despite this victory, however, the ''despotes'' was shattered by the disaster of Neopatras: he resigned his post and died later the same year.; ; ; .

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{{coord missing, Greece

13th century in Greece
Neopatras
Neopatras
History of Phthiotis
Medieval Thessaly
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Conflicts in 1272
Conflicts in 1273
Conflicts in 1274
Conflicts in 1275
Neopatras
1270s in Europe
1270s in the Byzantine Empire
Ypati
Michael VIII Palaiologos