However, his most important work is "Hrvati rodom Slaveni, potekli od Sarmata potomaka Medijaca" (eng. "Croats of Slavic group originated from Sarmatians descending from Medians") which he defended as a doctoral dissertation in Royal Academy in Zagreb in 1797.
She is one of the proponents of the theory (or related theories) that states that the historical basis for King Arthur and the Knights of the Round Table were a 2nd-century Roman officer named Lucius Artorius Castus and Sarmatian auxiliary horsemen, which Artorius supposedly commanded in Britain.
There are traces of older settlements at this location dating from Bronze Age, time of the Sarmatians and Middle Ages.
Together with three panels now in the Capitoline Museum, the reliefs were probably taken from a triumphal monument commemorating Marcus Aurelius' war against the Marcomanni and the Sarmatians from 169 – 175, which ended with his triumphant return in 176.
His subsequent military campaigns against Germanic tribes were successful: he defeated the Alamanni in 354 and campaigned across the Danube against the Quadi and Sarmatians in 357.
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The same year, he forced Sarmatian and Quadi invaders out of Pannonia and Moesia Inferior, then led a successful counter-attack across the Danube.
In early 92, the Iazyges, in alliance with the Sarmatians proper and the Germanic Quadi, crossed the Danube into the Roman province of Pannonia (mod. Croatia, northern Serbia, and western Hungary).
His 18-page Concerning the gods of Samagitians, and other Sarmatians and false Christians (De diis Samagitarum caeterorumque Sarmatarum et falsorum Christianorum, written ca. 1582 and published in 1615) provides a list of Lithuanian gods and is an important resource in the study of the Lithuanian mythology.
As a frontier province, Moesia was strengthened by stations and fortresses erected along the southern bank of the Danube, and a wall was built from Axiopolis to Tomi as a protection against the Scythians and Sarmatians.
In the 4th century, Valentinian spent much of his reign defending the Rhine frontier against a mixed horde of Sarmatians, Goths, and Quadi under their king Gabinius, who was slain at the treaty table by the Roman Marcellinus, son of the praefect of Gaul, Maximinus.
The whole country between the Alps and the Pyrenees, between the Rhine and the Ocean, has been laid waste by hordes of Quadi, Vandals, Sarmatians, Alans, Gepids, Herules, Saxons, Burgundians, Allemanni, and—alas! for the commonweal!
It probably corresponds to the Gothic kingdom of Oium as described by Jordanes in his work Getica, but it is nonetheless the result of a poly-ethnic cultural mélange of the Gothic, Getae-Dacian, Sarmatian and Slavic populations of the area.
The Zhang Zhung culture was centered around sacred Mount Kailash and extended west to Sarmatians and present-day Ladakh & Baltistan, southwest to Jalandhar, south to the Kingdom of Mustang in Nepal, east to include central Tibet, and north across the vast Chang Tang plateau and the Taklamakan Desert to Shanshan.