Stefan Lazarević, Prince (1389-1402), Despot (1402-1427) (Serbian Despotate) : All Data

Stefan Lazarević was a Serbian prince and later a despot who ruled over the Serbian Despotate from 1389 to 1427. During his tenure, he faced several significant wars, including the Battle of Kosovo in 1389, where he fought alongside his father against the Ottoman Empire. Another notable conflict was the Battle of Ankara in 1402, where he allied with the Ottoman Sultan Bayezid I against the Timurid Empire. These wars align with the ruler's known period of rule from 1389 to 1427, showcasing his involvement in crucial military campaigns that shaped the region's history.