German and Sarmatian campaigns of Constantine information
German and Sarmatian campaigns of Constantine
Part of Germanic Wars
Emperor Constantine I
Date
306–336
Location
Rhine and Danube Limes
Result
Roman victory and reconquest of all the territory occupied at the time of Trajan[1]
Belligerents
Roman Empire
Germanic and Sarmatian peoples
Commanders and leaders
Constantine I Crispus Constans Constantine II Constantius II
Rausimodus
Units involved
Numerous legions
Many people, amounting to some hundreds of thousands of armed
v
t
e
Battles of Constantine I
Civil wars of the Tetrarchy
Segusio
Turin
Brescia
Verona
Milvian Bridge
Cibalae
Mardia
Adrianople
Hellespont
Byzantium
Chrysopolis
German and Sarmatian campaigns
v
t
e
Warfare between Romans and Germanic peoples
Cimbrian War (113 BC – 101 BC)
Noreia
Burdigala
Arausio
Aquae Sextiae
Vercellae
Gallic Wars (58 BC – 57 BC)
Vosges
Sabis
Clades Lolliana (16 BC)
Roman campaigns in Germania (12 BC – AD 16)
Arbalo
Lupia River
Teutoburg Forest
Pontes Longi
Idistaviso
Angrivarian Wall
Marcomannic Wars (166–180) (participating Roman units)
Carnuntum
Roman campaigns in Germania during the 230s
Harzhorn
Gothic invasion of the Balkans (250–251)
Nicopolis ad Istrum
Beroe
Philippopolis
Abritus
Gothic invasion of the Balkans (254)
Thessalonica
Thermopylae
Gothic invasion of the Balkans (267–268)
Naissus
Roman–Alemannic Wars
Mediolanum
Lake Benacus
Placentia
Fano
Pavia
Lingones
Vindonissa
Durocortorum
Argentoratum
Solicinium
Campi Cannini
Gothic War (367–369)
Noviodunum
Gothic War (376–382)
Marcianople
Ad Salices
Dibaltum
Adrianople
Adrianople Siege
Constantinople
Thessalonica
Visigothic Wars
Pollentia
Verona
Florence
Faesulae
Rome (410)
Massilia
1st Arelate
2nd Arelate
Narbonne
Toulouse
Châlons
3rd Arelate
Orleans
Déols
4th Arelate
Vandalic Wars
Rhine
Nervasos Mountains
Tarraco
Hippo Regius
Carthage
Rome (455)
Agrigentum
Corsica
Garigliano
Cartagena
Cape Bon
Anglo-Saxon Wars
Groans of the Britons
Anglo-Saxon settlement of Britain
Treason of the Long Knives
Wippedesfleot
Mercredesburne
Mons Badonicus
Dyrham
Woden's Burg
Raith
Vandalic War (533–534)
Ad Decimum
Tricamarum
Gothic War (535–554)
Panormus
Naples (536)
Rome (537–538)
Treviso
Verona
Faventia
Mucellium
Naples (542–543)
Rome (546)
Rome (549–550)
Sena Gallica
Taginae
Mons Lactarius
The German and Sarmatian campaigns of Constantine were fought by the Roman Emperor Constantine I against the neighbouring Germanic peoples, including the Franks, Alemanni and Goths, as well as the Sarmatian Iazyges, along the whole Roman northern defensive system to protect the empire's borders, between 306 and 336.
After becoming controller of the western provinces along the Rhine limes (in 306) following the death of his father Constantius Chlorus (Augustus of the west) in 306, Constantine initially concentrated his forces on defending this area of the frontier against the Franks and Alemanni, making Augusta Treverorum his first capital for this purpose. Having defeated the usurper Maxentius at the Battle of the Milvian Bridge in 312,[2] all Italia passed under Constantine's control and he thus became the sole Augustus of the West.
In February 313, Constantine (who had spent the winter in Rome) formed an alliance with the Emperor of the East, Licinius, reinforced by Licinius' marriage to Constantine's sister, Flavia Julia Constantia.[3] However, this alliance survived for only a few years, before the two Augusti came into conflict in 316. Constantine defeated Licinius, who was forced to cede Illyricum to Constantine,[4] but not Thrace.[4] Constantine advanced ever further east with his territorial acquisitions, now having to defend the important strategic region of the limes sarmaticus (from 317).
In the following years, Constantine mostly occupied himself in the central section of the Danubian Limes, mostly fighting against the Sarmatians in Pannonia,[5] residing at Sirmium almost continuously until 324 (when he moved against Licinius once more), making it his capital[6] along with Serdica.[7] At this time Constantine also demonstrated a very active military bent, travelling along the whole of the limites of his newly acquired territory. From 320 he appointed his eldest son, Crispus, Praetorian prefect, with military command of Gaul.
When he learnt that an army of Goths[8] had crossed the Danube to raid Roman territory in Moesia Inferior and Thrace, which belonged to Emperor Licinius,[9] he left his general headquarters in Thessalonica[10] and marched against them (323). The fact that he had trespassed into a part of the empire which was not under his control unleashed the final phase of the Civil wars of the Tetrarchy, which ended with the complete defeat of Licinius and the consecration of Constantine as the sole Roman Emperor.[11]
The final period of Constantine's reign, until his death (337), saw the Christian Emperor consolidate the entire defensive system on the Rhine and Danube, obtaining important military successes and reasserting control over a large part of the territory that the Romans had abandoned under Gallienus and Aurelian: the Agri Decumates from the Alemanni, the area south of the Tisza from the Sarmatians, as well as Oltenia and Wallachia from the Goths.
^Cite error: The named reference JulDeCaes329c was invoked but never defined (see the help page).
^Eutropius, Breviarium ab Urbe condita, 10.4.
^Zosimus, New History, 2.17.2.
^ abCite error: The named reference ZosimoII,20,1 was invoked but never defined (see the help page).
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^Cite error: The named reference Horst214-276 was invoked but never defined (see the help page).
^Cite error: The named reference AurVictDeCaes41 was invoked but never defined (see the help page).
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^Cite error: The named reference ZosimoII,22,3 was invoked but never defined (see the help page).
^Cite error: The named reference ZosimoII,28,2 was invoked but never defined (see the help page).
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