Władysław III, King (Hungary (Personal Union with Poland)) : All Data

Władysław III, also known as Władysław III of Varna, was the King of Hungary and Poland from 1440 to 1444. During his reign, he faced significant military challenges, including the Ottoman invasion of Europe. The most important war that occurred during his tenure was the Battle of Varna in 1444, where Władysław III led a Christian coalition against the Ottoman Empire. Unfortunately, the battle ended in a devastating defeat for the Christian forces, and Władysław III lost his life in the conflict. Despite his short reign, Władysław III's efforts to defend Europe against the Ottoman Empire left a lasting impact on the region's history.