Complex sentence: At the Battle of Maritsa on 26 September 1371, the Turks annihilated the Serbian army; not even the bodies of Vukašin and Jovan Uglješa were ever found.
Split into simpler sentences: At the Battle of Maritsa on 26 September 1371, the Turks annihilated the Serbian army. The bodies of Vukašin and Jovan Uglješa were never found.