The Battle of Adrianople was fought in 1254 between the

Byzantine Greek Medieval Greek (also known as Middle Greek, Byzantine Greek, or Romaic; Greek: ) is the stage of the Greek language between the end of classical antiquity in the 5th–6th centuries and the end of the Middle Ages, conventionally dated to the F ...

Empire of Nicaea The Empire of Nicaea (), also known as the Nicene Empire, was the largest of the three Byzantine Greeks, Byzantine Greek''A Short history of Greece from early times to 1964'' by Walter Abel Heurtley, W. A. Heurtley, H. C. Darby, C. W. Crawley, C ...

and the

Second Bulgarian Empire The Second Bulgarian Empire (; ) was a medieval Bulgarians, Bulgarian state that existed between 1185 and 1422. A successor to the First Bulgarian Empire, it reached the peak of its power under Tsars Kaloyan of Bulgaria, Kaloyan and Ivan Asen II ...

Michael Asen I of Bulgaria Michael II Asen (; 1239 – December 1256/January 1257) was emperor (tsar) of Second Bulgarian Empire, Bulgaria from 1246 to 1256 or 1257. He was the son of Ivan Asen II and Irene Komnene Doukaina. He succeeded his half-brother, Kaliman I Asen. ...

attempted to conquer land taken by the

, but the advance of

Theodore II Lascaris Theodore II Laskaris or Ducas Lascaris (; November 1221/1222 – 16 August 1258) was Emperor of Nicaea from 1254 to 1258. He was the only child of Emperor John III Doukas Vatatzes and Empress Irene Laskarina. His mother was the eldest da ...

caught the Bulgarians unprepared. The Byzantines were victorious.

Background

In 1252, the Byzantine Emperor

John III Doukas Vatatzes John III Doukas Vatatzes, Latinized as Ducas Vatatzes (; 1192 – 3 November 1254), was Emperor of Nicaea from 1221 to 1254. He was succeeded by his son, known as Theodore II Doukas Laskaris. Life John Doukas Vatatzes, born in about 1192 i ...

led a successful campaign against

Epirus Epirus () is a Region#Geographical regions, geographical and historical region, historical region in southeastern Europe, now shared between Greece and Albania. It lies between the Pindus Mountains and the Ionian Sea, stretching from the Bay ...

, seizing the towns of

Kastoria Kastoria (, ''Kastoriá'' ) is a city in northern Greece in the modern regions of Greece, region of Western Macedonia. It is the capital of Kastoria (regional unit), Kastoria regional unit, in the Geographic regions of Greece, geographic region ...

Ohrid Ohrid ( ) is a city in North Macedonia and is the seat of the Ohrid Municipality. It is the largest city on Lake Ohrid and the eighth-largest city in the country, with the municipality recording a population of over 42,000 inhabitants as of ...

Prilep Prilep ( ) is the List of cities in North Macedonia, fourth-largest city in North Macedonia. According to 2021 census, it had a population of 63,308. Name The name of Prilep appeared first as ''Πρίλαπος'' in Greek (''Prilapos'') in 1 ...

, and Vodena. By this point the Byzantines had a stranglehold on

Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...

, and Vatatzes made plans for its capture. However, Vatatzes died in 1254, and was succeeded by his son

Theodore II Laskaris Theodore II Laskaris or Ducas Lascaris (; November 1221/1222 – 16 August 1258) was Emperor of Nicaea from 1254 to 1258. He was the only child of Emperor John III Doukas Vatatzes and Empress Irene Laskarina. His mother was the eldest da ...

, who had epilepsy and was often ill.

Battle

Shortly after his ascension to the throne, Theodore II found the Empires' newly won possessions in Thrace under attack by Michal Asen I of Bulgaria. Once in

Thrace Thrace (, ; ; ; ) is a geographical and historical region in Southeast Europe roughly corresponding to the province of Thrace in the Roman Empire. Bounded by the Balkan Mountains to the north, the Aegean Sea to the south, and the Black Se ...

Theodore II was hindered by difficulties raising an army. After he assembled his troops, he himself led them into battle, successfully repelling the Bulgarians and preserving the Empires' borders.

References

{{DEFAULTSORT:Adrianople (1254) 13th century in Bulgaria Battles involving the Second Bulgarian Empire Battles of the Byzantine–Bulgarian Wars Battles involving the Empire of Nicaea Conflicts in 1254 Military history of Edirne 1254 in Europe