Renaissance rulers were leaders during the Renaissance period, which spanned from the 14th to the 17th century. They played a crucial role in promoting art, culture, and education, often supporting artists and thinkers. Notable rulers included the Medici family in Florence, who were significant patrons of artists like Michelangelo and Leonardo da Vinci. These rulers often sought to expand their territories and influence through diplomacy and warfare. They were known for their political acumen and ability to navigate complex social and economic landscapes. The Sforza family in Milan and Isabella I of Castile are other examples of influential Renaissance leaders.