Duke Francesco Sforza was an important figure in the history of Italy during the 15th century. Born in 1401, he started as a mercenary leader and eventually became the Duke of Milan in 1450. His rise to power marked the beginning of the Sforza dynasty, which played a significant role in the politics of northern Italy. Francesco was known for his military skills and strategic alliances. He worked to strengthen Milan and improve its economy, promoting arts and culture during his reign. His leadership helped stabilize the region, making Milan a key player in the Italian Renaissance.