In this episode of Divination in Courts and Politics, host Clara Moss explores how 16th-century French prophet Nostradamus became a powerful political tool for the French monarchy. Discover how Catherine de Medici and the Valois dynasty used prophetic authority to legitimize their rule during the turbulent Renaissance period. We examine the historical context of court astrology, the Italian Wars, and religious conflicts that made prophecy valuable for royal propaganda. Learn about Nostradamus's role beyond his famous Centuries, including his work as court physician and political advisor. The episode reveals how his carefully crafted quatrains served immediate political needs rather than mystical purposes, helping explain royal succession, military campaigns, and diplomatic marriages. We analyze specific historical examples, including the death of Henry II in 1559 and Catherine de Medici's regency, showing how prophetic interpretation shaped public perception of royal authority. This fascinating case study demonstrates how divination functioned as sophisticated political communication in early modern Europe, influencing everything from marriage alliances to military strategy. Perfect for history enthusiasts interested in Renaissance politics, court culture, and the intersection of religion and statecraft in pre-modern France.