When in the fourth century the Roman empire split into the Western and Eastern empires, the boundary between the two stretched from the Montenegrin coast up the river Drina to the confluence of the Sava and the Danube and then further north. This boundary has remained virtually...
When the Roman Empire split in the 4th century AD into the Western and Eastern empires, the boundary between the two stretched from the Montenegrin coast up the river Drina to the confluence of the Slava and the Danube and then further north. This boundary has remained virtually...