How did the Spanish siege of Haarlem affect Dutch resistance to Spain?

The Spanish siege of Haarlem (1573) was a pivotal event in the Dutch revolt against Spain. While the Spanish forces eventually retook the city, the prolonged siege proved to be a strategic turning point for the Dutch resistance.

The conflict significantly demoralized and decimated the Spanish troops under the command of the Duke of Alba. Conversely, the tenacity displayed during the siege strengthened the resolve of other Dutch towns to continue their resistance. This shift in momentum prevented the Spanish from capturing Alkmaar, led to a major defeat for the Spanish fleet in the Zuiderzee, and contributed to the successful defense of Leiden in 1574. Ultimately, the heavy toll of the siege ensured that Spanish troops were never again able to force their way into Holland, dealing a severe blow to the Spanish monarchy's efforts to suppress the uprising.1