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2018, Brill Encyclopedia of Early Christianity
The pontificate of Sylvester I dated from Jan 31, 314 to Dec 31, 335 CE (according to the Catalogus Liberianus and, regarding his death in particular, to the Depositio episcoporum and to western martyrologies, while in Byzantine synaxaria it is commemorated on Jan 2). These were a crucial two decades for Roman-Christian history as they coincided with the supremacy of Constantine, who defeated Maxentius in 312 CE and from 324 to 337 CE was the sole emperor.
Osprey Publishing, 2015
Diocletian and Constantine were the greatest of the later Roman emperors, and their era marks the climax of the traditional legionary system-Diocletian created more legions than any emperor since Augustus. Most frontier provinces were defended by a pair of legions, and field armies were composed of detachments drawn from those legions. Diocletian thus continued a centuries-old practice. However, he also began a process of dividing legions, including his new creations, into 'half-legions' and the detachments withdrawn for field army service, or garrison duties in foreign provinces, tended not to return to their parent formations. They became small, independent 'legions'. This ensured the permanent break-up of the classic Roman legion of ten cohorts, and those attached to the increasingly permanent imperial field armies achieved elite status and better terms of service, while the frontier legions were essentially downgraded. Constantine began the process of formalizing the division of the army into elite comitatenses (field army units) and ripenses or limitanei (river bank or frontier units) in ad 325. However, the fully developed Late Roman legion of the mid-and late 4th century ad lies beyond the scope of this book. The legionary forces of ad 284-337, organized in cohorts and centuries and led by prefects, praepositi and centurions, would have been recognizable to Roman generals of earlier eras, and legionaries continued to form the backbone of the army. cHRONOLOGY (All dates AD) 284 Assassination of Numerian; Diocles, commander of the protectores, is proclaimed emperor and takes the name Diocletian. 285 Carinus, brother and co-emperor of Numerian, defeats usurper Julianus at Verona but is in turn defeated by Diocletian at the Margus. Diocletian appoints Maximian Caesar (junior emperor); Maximian defeats the Bagaudae and repels German invasion of Gaul. Diocletian defeats the Sarmatians. 286 Maximian promoted to Augustus (senior emperor). Revolt of Carausius in Britain and northern Gaul. ROMAN LEGIONARY AD 284-337 Diocletian depicted in the typical fashion of a 'soldieremperor' of the late 3rd century ad, with radiate crown and a practical short, cropped hair. He is unshaven because he was continually on campaign or labouring on behalf of the Empire. The reverse celebrates 'the harmony of the army'. (© RHC Archive) 286-287 German raids across the Rhine into Roman territory. Maximian leads major punitive expedition into Germany. 288 Frankish king Gennoboudes submits to Maximian. 289 Diocletian campaigns against the Sarmatians. Failure of Maximian's naval operations against Carausius. 290 Diocletian's second campaign against the Saracens. 293 Diocletian establishes the Tetrarchy with Constantius and Galerius as Caesars. Constantius captures Boulogne and ejects Carausius' forces from Gaul; Carausius assassinated and replaced by Allectus in Britain. Constantius defeats German invasion of Batavia. Revolt in Upper Egypt. Maximian. His loyalty to Diocletian was unswerving, but he chafed in retirement and tried to usurp Maxentius and then Constantine, who forced him to commit suicide. (© G. Dall'Orto) 6 Galerius defeats Egyptian rebels. 295 Galerius campaigns against the Persians. 296 Constantius and praetorian prefect Asclepiodotus recapture Britain. Maximian holds Rhine frontier and then campaigns in Spain. Diocletian defeats the Quadi, campaigns against the Carpi, and then conducts operations against Persia. 297 Maximian campaigns against Quinquegentiani in Mauretania. Galerius defeated by Narses I of Persia near Carrhae. Domitianus and Achilles revolt in Egypt. 297-298 Diocletian besieges Alexandria and defeats Egyptian rebels. 298 Maximian campaigns in Tripolitania. Galerius defeats Narses in Armenia and captures Ctesiphon. 299/300 Purge of Christians from the Roman Army. Galerius campaigns against the Marcomanni. 300/1 Constantius defeats the Franks. 301 Galerius campaigns against the Carpi. 302 Galerius fights the Carpi and Sarmatians. 302 Constantius defeats the Alamanni at Lingones. 303 Galerius campaigns against the Carpi. Constantius is victorious over the Germans at Vindonissa. 304 Constantius repels German raiders. Diocletian defeats the Carpi. 305 Abdication of Diocletian and Maximian; Constantius and Galerius become senior emperors with Severus and Maximinus as their Caesars; Constantius defeats the Picts. 306 Death of Constantius at York; his eldest son Constantine is declared emperor by the army in Britain. Maxentius is elevated by the Praetorian Guard in Rome and calls his father, Maximian, out of retirement. 306/7 Galerius achieves victories over the Sarmatians. Constantine fights the Franks. 307 Severus, official senior emperor in the West, marches on Rome to eject Maxentius, but his army deserts to Maximian; Severus is imprisoned and later executed. Galerius invades Italy and approaches Rome, but is forced to withdraw when his soldiers start to desert to Maxentius and Maximian. 308 Constantine attacks the Bructeri and bridges the Rhine at Cologne. Domitius Alexander revolts against Maxentius in Africa. Conference of official emperors at Carnuntum: Maximian compelled to retire again; Licinius made Augustus and charged with defeating Maxentius. 308-309 Galerius fights the Carpi. Licinius campaigns against Maxentius' forces in Dalmatia and northeast Italy. 309 Domitius Alexander is defeated by Maxentius' praetorian prefect, Volusianus. 310 Constantine campaigns against the Franks. Maximian revolts against Constantine but is defeated at Marseille and commits suicide. Maximinus campaigns on the Constantine in ad 307/8. Charismatic and supremely ambitious, he fought three civil wars to bring the whole of the Roman Empire under his rule. (© RHC Archive) Persian frontier. Licinius defeats the Sarmatians. Death of Galerius. Maximinus attempts to seize Licinius' Asian provinces. Constantine invades Italy, captures Segusium, and defeats Maxentius' armies at Turin, Brixia and Verona; Constantine advances on Rome; defeat and death of Maxentius at the Milvian Bridge. Maximinus campaigning in Armenia. Death of Diocletian. Maximinus invades Thrace but is defeated by Licinius at Campus Ergenus; Maximinus commits suicide; Licinius secures his position by ordering the executions of the families of Diocletian, Galerius and Maximinus. Constantine campaigns on the Lower Rhine. 313/4 Licinius campaigns on the Persian frontier. Constantine campaigning in Germany. 314/5 Licinius fights the Sarmatians. Constantine defeats Licinius at Cibalae. Licinius defeated at Adrianople but turns Constantine's position at Beroea and forces a negotiated settlement; he cedes his European territories, with the exception of the diocese of Thrace, to Constantine. Licinius campaigns against the Sarmatians. Crispus, son of Constantine, campaigns against the Franks. Constantine defeats Sarmatian invaders at Campona, Margus and Bononia and pursues them across the Danube. Crispus campaigns on the Rhine. Constantine defeats Gothic incursion. Licinius defeated at Adrianople and besieged in Byzantium by Constantine; Crispus defeats Licinius' fleet in the Hellespont; Constantine defeats Licinius and his Gothic allies at Chrysopolis; Licinius abdicates. Empire reunited under Constantine. Licinius is accused of plotting against Constantine and executed. Constantine executes Crispus (son by his first marriage) and Fausta (his second wife) following a mysterious scandal. Constantine bridges the Danube at Oescus and defeats the Goths; he proceeds to campaign on the Rhine. Constantinus, son of Constantine, campaigns against the Alamanni. Constantine wins major Gothic victory. Constantine campaigns against the Sarmatians. Constantine campaigns north of the Danube and takes the title Dacicus Maximus to celebrate the reconquest of former Roman territory. Constantine prepares for war with Persia but falls ill and dies at Nicomedia. Maxentius was overlooked in the succession of ad 305, but in 306 he was elevated by the Praetorian Guard. He was the last emperor to rule from Rome.
St. Constantine the Great, Equal to the Apostles, First Christian Emperor of Rome, builder of Constantinople and founder the Byzantine Empire. He is a military victor, effective ruler and glorified saint. There is no doubt that his contribution to world history and that of the Orthodox Church is indeed spectacular. Eusebius describes him as “such an emperor as all history records not” and Ware places him “at a watershed in the history of the Church.” As Meyendorff asserts, “No single human being in history has contributed...to the conversion of so many to the Christian faith.” Norwich reiterates this opinion on a global scales stating that “No ruler in all of history...has ever more fully merited his title of ‘the Great’....[Constantine has] serious claim to be considered...the most influential man in all of history. Among Constantine’s most significant acts and initiatives of importance in church history are his legal initiation of freedom for Christianity with the Edict of Milan (313), his calling of the first Ecumenical Council at Nicaea (325), and moving the capital of the empire from pagan encrusted Rome to Constantinople (330). However, popular and academic loyalty regarding his status as ‘first Christian emperor’ and ‘saint of the Church’ has wavered over time. Dominant opinions have ebbed and flowed in their evaluation of Constantine’s role specifically as a Christian. A religious role of importance that, as Schmemann describes it, no one denies but the evaluators of which are “diametrically opposed.”
It is well-known that early Christian historiographers are extremely hostile toward Emperor Gaius Galerius Valerius Maximianus. Such an attitude is due to the Lactantius’ description that Galerius had a key role in the final decision to launch the Great Persecution. However should not been underestimated that at the end of his life he prompted the need for a change of Imperial policy toward Christianity. His edict of 311 was the beginning of the future dominance of Christianity. Galerius was not able to take advantage of the positives. In this sense his physical death granted Constantine a chance to become one of the most influential people in world history.
What do we know about the character, life and legend of the last emperor of the Romans Constantine Palaiologos ?
The Byzantine Empire had a few great emperors, a few poor emperors, and many mediocre emperors during the fourth through the ninth centuries. Three of the emperors who made the most impact on the Empire were Constantine I, Justinian I, and Heraclius. Constantine restructured the government and the economy, shifted power to the East, legalized Christianity, and watched over the beginnings of the solidification of Church doctrine. Justinian reconquered much of the beleaguered West in an attempt to restore the united Roman Empire, he revamped civil law, stopped the Nika riots, beautified Constantinople, and led the Empire through a devastating plague. Heraclius ended a destructive civil war, restructured the Byzantine military and economy, recovered the True Cross from the Persians, and saved Constantinople from Muslim conquest. Each emperor struggled to overcome great challenges during their reigns, each took extraordinary action to confront these challenges, and each changed the Empire in a significant and lasting way. This is not to say, however, that these emperors were perfect or that their legacies were not tinged by mistakes or unintended consequences. Rather, the totality of their contributions to the Empire had great impact that molded the Byzantine Empire into a powerful force that kept the Roman Empire alive for nearly one thousand years after the fall of the West.
Journal of Late Antiquity, 2008
Modern scholarship, following the template laid down by Lactantius and Eusebius, has viewed the achievements of Constantine chiefly through the prism of his Christianity, with the result that his secular achievements have been comparatively neglected. This article addresses those secular policies, focusing on how Constantine sought to assert his legitimacy during the various stages of his rise to power. It takes as its starting point the modern debate on the legitimacy of Constantine’s elevation to the purple and whether or not he can be justifiably described as a usurper. Through close scrutiny of a variety of documentary sources—particularly inscriptions, but also coins—it establishes how Constantine sought to affirm the legitimacy of his position as emperor at a number of critical moments, and to have that legitimacy accepted both by other members of the imperial college and by the empire’s populace at large. It emerges that Constantine appealed to a variety of means to assert his legitimacy, for example, as a member of a college of emperors, as the preferred candidate of the army or Senate, as victor in civil war, or as a member of a dynasty. Furthermore, he invested considerable effort in buttressing his claims by actively deconstructing the legitimacy of his rivals, notably Maxentius and Licinius, whom he designated instead as tyranni. Thus Constantine made a notable contribution to the articulation of ideas of imperial legitimacy in the fourth century, and his strategies were adopted, most immediately, by his sons.
The Edict of Mediolanum in 313 AD made St. Constantine the Great enter the history of the Church, being considered similar to the Apostles . He will lay the foundation for new relations between Church and State. Since St. Constantine, the church will experience a new stage, from persecutions to building churches and adorning them, to involvement in the major doctrinal disputes, helping the poor, etc. But, more than that, the king will take some action against paganism, especially against those who were against the religious manifestations of Christian morality. His approach will be continued by the Emperor Theodosius the Great.