Saint Stefan Uroš V (Serbian: Свети Стефан Урош V pronounced [stêfaːn ûroʃ peːti] (listen); 1336 – 2/4 December 1371), known in historiography as Uroš the Weak (Урош Нејаки/Uroš Nejaki), was the second Emperor (Tsar) of the Serbian Empire (1355–1371), and before that he was Serbian King and co-ruler (since 1346) with his father, Emperor Stefan Dušan.[1]