[2] It was inhabited by the Germanic tribes of Marcomanni and Quadi, and lay in the western parts of the modern states and Slovakia and the Czech Republic (Moravia).
[3] After the creation of the fortified limes on the Danube river, the Roman Empire tried to expand in central Europe, mainly during the emperor Marcus Aurelius's rule in the second century.
It was an initiative that resulted in an ephemeral conquest of the Germanic tribes living in present-day western Slovakia, the Quadi and the Marcomanni, during the so-called Marcomannic Wars.
Under Augustus, the Romans and their armies initially occupied only a thin strip of the right bank of the Danube and a very small part of south-western Slovakia (Celemantia, Gerulata, Devín Castle).
Tiberius wanted to conquer all Germania up to the Elbe river and in 6 AD dispatched a military expedition from the fort of Carnuntum to Mušov and beyond,[4] but was forced to stop the conquest because of a revolt in Pannonia.
Only in 174 AD did the emperor Marcus Aurelius penetrate deeper into the river valleys of the Váh, Nitra and Hron, where there are some Roman marching camps like Laugaricio.
Indeed, recent archaeological excavations and aerial surveying have shown further locations in northeast Moravia: three temporary Roman camps (possibly connected to the Laugaricio fort) situated in the foreland of the so-called Moravian Gate (Olomouc-Neředín, Hulín-Pravčice, Osek) have been partly corroborated, the former two clearly by digging.
[9] Marcus Aurelius wanted to create a new Roman province called Marcomannia in those conquered territories, but his death put an end to the project.
His successors abandoned these territories, but – with the exception of Valentinian I – maintained a relatively friendly relationship with the barbarians living there (who enjoyed a degree of "cultural Romanization" that can be seen in some buildings in present-day Bratislava Region in Stupava[10]).
[12] In the Roman ruins of Devín Castle, the first Christian church located north of the Danube has been identified, probably built in the early fifth century.
Indeed, the first written source suggesting that Slavic tribes established themselves in what is now Slovakia is connected to the migration of the Germanic Heruli from the Middle Danube region towards Scandinavia in 512.
[14] A cluster of archaeological sites in the valleys of the rivers Morava, Váh and Hron also suggests that at the latest the earliest Slavic settlements appeared in the territory around 500 AD.
Augustus enlarged the empire dramatically, annexing Egypt, Dalmatia, Pannonia, and Raetia, expanded possessions in Africa, and completed the conquest of Hispania.
[17] The Romans and their armies occupied a narrow strip of the right bank of the Danube and a very small part of south-western Slovakia (Celemantia, Gerulata, Devín Castle).
The largest of these were Carnuntum, whose remains are on the main road halfway between Vienna and Bratislava, and Brigetio (present-day Szőny at the Slovak-Hungarian border).
The Romans supported the client kingdom of the Quadi, a Germanic tribe, to maintain peace in the Middle Danube area.
[21] Maroboduus, who ruled in the first quarter of the first century AD, was a powerful ruler with an extensive empire based on modern-day Bohemia that included many smaller tribes.
In 168 the Marcomanni and Victohali again crossed the Danube into Pannonia, but when a Roman army advanced to Carnuntum they withdrew, promising good conduct.
[23] A much more serious invasion occurred in 169, when Ballomar formed a coalition of Germanic tribes that crossed the Danube and won a decisive victory over a force of 20,000 Roman soldiers near Carnuntum.
After the 172 campaigning season Marcus and Commodus were both given the title "Germanicus", and coins were minted with the inscription "Germania subacta" (subjugated Germany).
[27] In 174 AD Marcus Aurelius penetrated deeper into the river valleys of Váh, Nitra and Hron, where there are Roman marching camps like Laugaricio.
[30] Marcus Aurelius may have intended to campaign against the remaining tribes of the area that is now western Slovakia and Bohemia, and together with his recent conquests establish two new Roman provinces, Marcomannia and Sarmatia, but whatever his plans, they were cut short by the rebellion of Avidius Cassius in the East.
Against the advice of his senior generals, he negotiated a peace treaty with the Marcomanni and the Quadi, where he agreed to withdraw south of the Danube Limes.
Many Roman-style buildings with evidence of trade with the Roman Empire were built in what is now south-western Slovakia at Bratislava, Dúbravka, Cífer, Pác and Veľký Kýr.
[38] The Marcomanni converted to Christianity towards the end of the fourth century when Fritigil, their queen, obtained help from Ambrose, the formidable bishop of Milan (Italy), and also persuaded her husband to place himself and his people under Roman protection.
Maximinus, now praetorian prefect of Gaul, arranged with Aequitius to promote his son Marcellianus and put him in charge of finishing the project.
The first written source suggesting that Slavic tribes established themselves in what is now Slovakia is connected to the migration of the Germanic Heruli from the Middle Danube region towards Scandinavia in 512.
[14] A cluster of archaeological sites in the valleys of the rivers Morava, Váh and Hron also suggests that at the latest the earliest Slavic settlements appeared in the territory around 500 AD.
[50] Brigetio (modern Szőny, Hungary) on the south bank of the Danube in Pannonia was a thriving urban center, as shown by the remains of temples, mineral spring spas and villas that contained elaborate mosaics, pottery and metalwork.
Discoveries include coins and other metal objects, an ivory statuette of a comic actor, ceramic fragments, weapons, jewelry, tools and equipment.