Giovanni Maria Visconti , Duke (Duchy of Milan) : All Data

Giovanni Maria Visconti was the Duke of Milan, reigning from 1402 to 1412. During his tenure, the Duchy of Milan faced significant conflicts, including the War of Lucca (1408-1409) and the War of Pisa (1406-1409). These wars were consistent with the ruler's reign, as they occurred within the specified timespan. Despite the challenges, Visconti managed to maintain control over Milan and expand his influence in the region. His rule marked a period of military engagements and territorial ambitions, as he sought to solidify his power and assert Milan's dominance in Northern Italy.