Vytautas (c. 1350 – October 27, 1430) also known as Vytautas the Great (Lithuanian: , , , Rusyn: Vitovt, Latin: Alexander Vitoldus); styled "the Great" from the 15th century onwards; was one of the most famous rulers of medieval Lithuania. Vytautas was the ruler (1392–1430) of the Grand Duchy of Lithuania which chiefly encompassed the Lithuanians and Ruthenians. He was also the Prince of Hrodna (1370–1382) and the Prince of Lutsk (1387–1389), postulated king of Hussites.