Battle of Marignano

Timeline

1. 1515Lombardy plain south of the Alps · LombardyFrancis I personally led the campaign, crossing the Alps into Italy, intending to reclaim Milan and challenge Swiss military presence in northern Italy.
2. 1515Marignano · LombardySwiss pike squares held off the French at Marignano in repeated back-and-forth fighting; French artillery and Venetian reinforcements played key roles, ultimately routing the Swiss and giving Francis I a decisive victory.
3. 1515Milan · MilanAfter defeat the Swiss withdrew, the French entered Milan, Francis I restored French dominance over the Duchy of Milan, and the Italian Wars entered a new phase.