Maurice of Nassau

Maurice captured the city of Breda from the Spanish using a covert operation where soldiers hid inside a peat barge. This victory was a major success in the Dutch Revolt, boosting morale and demonstrating Maurice's innovative military tactics.

Maurice of Nassau, with his cousin William Louis, reformed the Dutch army by introducing standardized drill, volley fire, and smaller tactical units. These innovations, based on Roman military principles, increased battlefield effectiveness and were adopted across Europe.

Maurice led the Dutch army to a tactical victory over the Spanish at the Battle of Nieuwpoort. Although the battle was indecisive strategically, it proved the effectiveness of his military reforms and secured Dutch control over the coastal region.

Maurice, as Stadtholder, agreed to the Twelve Years' Truce with Spain, effectively recognizing the Dutch Republic's independence. The truce allowed the Republic to consolidate its power and economy, though Maurice opposed it, preferring to continue the war.