Hunyadi János, also known as John Hunyadi, was a prominent Hungarian military leader and statesman in the 15th century. Born around 1406, he played a crucial role in defending Hungary against the Ottoman Empire. His most notable achievement was the victory at the Battle of Belgrade in 1456, which temporarily halted Ottoman advances into Europe. Hunyadi served as the governor of Hungary and was a key figure in the Hungarian Renaissance. He was also the father of Matthias Corvinus, who later became one of Hungary's most famous kings. Hunyadi's legacy is remembered for his military prowess and contributions to Hungarian history.