Siege of Zierikzee
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The Siege of Zierikzee was a siege in the Eighty Years' War between October 1575 – and July 1576.
When Modragón lay siege to the city, Zierikzee had had enough time to prepare their defenses, because the preceding siege of Bommenede, had taken Modragón 20 days, which was a long time for a relative small city.
The Spanish couldn't storm Zierikzee, and therefore tried to cut off all supplies to the city. Until February 1576, despite heavy fire, small Dutch vessels were able to reach and supply the city. the defenders also did several sorties which inflicted casualties and damage on the Spanish. But by March, the Spanish had sealed all access to the city.
The Dutch under Admiral Lodewijk van Boisot and William the Silent did 3 attempts to break the siege. On April 11 a major sea battle was fought, but ended indecisively. A second attack on May 27 failed because the Spanish had been warned. Furthermore, Admiral Boisot was killed. After a third failed attempt, the Dutch withdrew on June 13.
Hunger now forced the defenders to start negotiations, which were concluded on July 29.
The garrison was allowed to leave the city, but Zierikzee had to pay 100,000 gulden. The city was occupied by the Spanish. But on July 12 a mutiny broke out under the Spanish troops, which didn't receive their long overdue and promised pay. They extorted money and goods from the population and abandoned Zierikzee on November 3. They headed to Brabant, and Modragón had no option, but to follow his troops.