Siege of Breda (1637) when word came that the Dutch had suddenly invested the city of Breda with a besieging army of 18,000. Breda was the capital city of the baronial fief that had once been the crown jewel in the Dutch estates of the Nassau family in the Habsburg Netherlands before the war started. Frederick Henry had therefore a personal interest in recapturing the city and its surroundings. The siege was preceded by an attempt to surprise the garrison on 21 July 1637 by Dutch cavalry under Henry Casimir I of Nassau-Dietz. However, the gates were closed in time and the Dutch skirmishers
Breda Kerk" (main church) or also "Onze Lieve Vrouwe Kerk" (Church of Our Lady). In 1534 Henry III of Nassau-Breda rebuilt the modest medieval fortifications in impressive style. In 1534 a fire destroyed over nine tenths of the city, close to 1300 houses, churches, and chapels, and the town hall. Only 150 houses and the main church remained. In July 1581, during the Eighty Years' War, Breda was captured in a surprise attack and siege by Spanish troops then under the command of Claudius van Barlaymont, whose sobriquet was Haultpenne. Although the city had surrendered upon the condition that it would