Siege of Breda (1637) Siege of Breda (1637) The Fifth Siege of Breda (21 July – 11 October 1637) was an important siege in the Eighty Years' War in which stadtholder Frederick Henry, Prince of Orange retook the city of Breda, which had last changed hands in 1625 when the Spanish general Ambrogio Spinola conquered it for the Spanish Habsburgs. Hereafter, the city would remain in the hands of the Dutch Republic until the end of the war. In 1635 France and the Dutch Republic formed an alliance against Spain with the objective of conquering and partitioning the Spanish Netherlands. They invaded on two
Siege of Breda (1624) with modern defences. Thus, in 1531 he inspired the construction of the late medieval style walls of Breda. These were later replaced by modern fortifications. In 1587 and 1622, the defences were further expanded and updated. The Breda fortress consisted of a very high earthen thoroughfare with 15 bastions and a moat. The 55 to 117 meter wide canal was five feet deep and was provided with water from Mark. Access to the city was made possible by four brick gates. Crescent ravelins were applied in the ditches. Hornwork was placed on the gates and at the . Stakewall were