Charles Emmanuel I, Duke of Savoy, ruled from 1580 to 1630. He was a member of the House of Savoy and played a significant role in the political landscape of northern Italy during the late Renaissance. His reign was marked by efforts to expand his territory and influence, particularly through military campaigns and strategic marriages. Under his leadership, the duchy experienced both cultural and economic growth. Charles Emmanuel I was known for his patronage of the arts and architecture, contributing to the development of cities like Turin. His legacy includes the strengthening of the Savoyard state and its eventual rise to prominence in European affairs.