or Stefan Uro 0161; IV
born 1308
died Dec. 20, 1355
King of Serbia (133146) and emperor of the Serbs and Greeks (134655).
He deposed his father, Stefan Decansky , in 1331. The greatest ruler of medieval Serbia, he began a war of conquest against Byzantium in 1334, gaining control of Albania and Macedonia by 1346 and Epirus and Thessaly by 1348. Du 0161; an reformed the Serbian administration on the Byzantine model and introduced a law code. His rule over former Byzantine lands was threatened by John VI Cantacuzenus , and his empire broke apart soon after his death.