The Battle of Arbedo was a pivotal confrontation between the military forces of the Duke of Milan, led by Filippo Maria Visconti, and an alliance of Swiss cantons. Set against the backdrop of early 15th-century power struggles in northern Italy, the conflict reflected the growing tensions between emerging regional powers and the organized Swiss federations. The Duke of Milan sought to consolidate power and expand his territories, clashing with the Swiss who were keen on preserving their autonomy from external control.

The combat took place near the village of Arbedo, located in present-day Switzerland, where the Swiss forces demonstrated their famed discipline and innovative tactics on the battlefield. Utilizing their unique formation and the rugged terrain to their advantage, the Swiss were able to outmaneuver the Milanese troops despite being outnumbered. The battle showcased the effectiveness of infantry tactics that would often become the hallmark of Swiss military engagements.

In the aftermath, the Swiss achieved a decisive victory, forcing the Duke to reassess his ambitions in the region. This battle not only fortified Swiss resolve but also marked a significant turn in the struggle for influence in northern Italy, further highlighting the rising prominence of Swiss military prowess in European conflicts.