Amadeus VIII of Savoy was a notable figure in the 15th century, serving as the Duke of Savoy from 1434 until his abdication in 1440. Born in 1383, he was a member of the House of Savoy, a prominent noble family in Europe. His reign was marked by efforts to strengthen the duchy and improve its political standing in the region. In 1439, Amadeus VIII became a cardinal, later known as Cardinal Amadeus. He was also recognized for his role in the establishment of the Order of the Annunciation, a chivalric order. His legacy includes contributions to both religious and political spheres during a transformative period in European history.