The Battle of Mons Lactarius (also known as Battle of the Vesuvius) took place in 552 or 553 AD during the Gothic War waged on behalf of

Justinian I Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565. His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...

against the

Ostrogoths The Ostrogoths () were a Roman-era Germanic peoples, Germanic people. In the 5th century, they followed the Visigoths in creating one of the two great Goths, Gothic kingdoms within the Western Roman Empire, drawing upon the large Gothic populatio ...

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

. After the

Battle of Taginae At the Battle of Taginae (also known as the Battle of Busta Gallorum) in June/July 552, the forces of the Byzantine Empire under Narses broke the power of the Ostrogoths in Italy, and paved the way for the temporary Byzantine reconquest of the It ...

, in which the Ostrogoth king

Totila Totila, original name Baduila (died 1 July 552), was the penultimate King of the Ostrogoths, reigning from 541 to 552 AD. A skilled military and political leader, Totila reversed the tide of the Gothic War (535–554), Gothic War, recovering b ...

was killed, the

Byzantine The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...

general

Narses Narses (also spelled Nerses; ; ; ; c. 478–573) was a distinguished Byzantine general and statesman of Armenian heritage, renowned for his critical role in Emperor Justinian I’s military campaigns. Alongside the famed Belisarius, Narses was ...

captured

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

and besieged

Cumae Cumae ( or or ; ) was the first ancient Greek colony of Magna Graecia on the mainland of Italy and was founded by settlers from Euboea in the 8th century BCE. It became a rich Roman city, the remains of which lie near the modern village of ...

Teia Teia (died 552 or 553 AD), also known as Teja, Theia, Thila, Thela, and Teias, was the last Ostrogothic King of Italy. He led troops during the Battle of Busta Gallorum and had noncombatant Romans slaughtered in its aftermath. In late 552/early ...

, the new Ostrogothic king, gathered the remnants of the Ostrogothic army and marched to relieve the siege, but in October 552 (or early 553) Narses ambushed him at ''Mons Lactarius'' (modern Monti Lattari) in

Campania Campania is an administrative Regions of Italy, region of Italy located in Southern Italy; most of it is in the south-western portion of the Italian Peninsula (with the Tyrrhenian Sea to its west), but it also includes the small Phlegraean Islan ...

, near

Mount Vesuvius Mount Vesuvius ( ) is a Somma volcano, somma–stratovolcano located on the Gulf of Naples in Campania, Italy, about east of Naples and a short distance from the shore. It is one of several volcanoes forming the Campanian volcanic arc. Vesuv ...

and Nuceria Alfaterna. The battle lasted two days, and Teia was killed in the fighting. Ostrogothic power in Italy was eliminated, and many of the remaining Ostrogoths went north and (re)settled in south Austria. After the battle, Italy was again invaded, this time by the

Franks file:Frankish arms.JPG, Aristocratic Frankish burial items from the Merovingian dynasty The Franks ( or ; ; ) were originally a group of Germanic peoples who lived near the Rhine river, Rhine-river military border of Germania Inferior, which wa ...

, but they too were defeated and the peninsula was, for a brief period of time, reintegrated into the Empire. This brief period of Roman rule was brought to an end by the invasion of the Lombards, a Germanic tribe, in 568.

Sources

''History of the Later Roman Empire'' by J. B. Bury
from Lacus Curtius {{DEFAULTSORT:Mons Lactarius 550s conflicts Battles involving the Byzantine Empire Battles involving the Ostrogoths Military history of Campania Gothic War (535–554) 550s in the Byzantine Empire 552 Last stands