The Siege of Alkmaar was a pivotal moment in the Eighty Years' War, showcasing the growing resolve of the Dutch provinces against Spanish rule. Between 1573 and 1574, the Spanish sought to regain control over the revolt in the Netherlands by laying siege to several key cities, with Alkmaar being one of the most significant strongholds. The city, located in North Holland, was under threat from Spanish forces commanded by the Duke of Alva. Despite being outnumbered and under siege for months, the defenders of Alkmaar rallied under the leadership of local leaders and military commanders, including the renowned Admiral of the Sea, Hans von Dorth. Their ingenuity and fierce resistance played a crucial role in the eventual Dutch triumph. In the weeks leading up to the victory, the defenders implemented strategies such as flooding the surrounding areas to impede the advance of the besieging Spanish troops. This resourcefulness was complemented by a growing support network among neighboring provinces, who recognized the importance of Alkmaar in the broader struggle for independence from Spanish rule. When it was evident that the Spanish supply lines were stretched, the Dutch launched a carefully coordinated counterattack. On October 8, 1573, the Spanish, facing dwindling supplies and morale, broke the siege and retreated, marking Alkmaar’s first victory.