Stefan Uroš I of Serbia (b. 1223)
Stefan Uroš I (Serbian Cyrillic: Стефан Урош I; c. 1223 – May 1, 1277), known as Uroš the Great (Урош Велики) was the King of Serbia from 1243 to 1276, succeeding his brother Stefan Vladislav. He was one of the most important rulers in Serbian history.