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) thereafter. The siege of 1624 captured the attention of European princes and, along with other battles like White Mountain (1620), played a part in the Spanish army regaining the formidable reputation it had held throughout the previous century. In the latter stages of the combined Eighty and Thirty Years' wars that had greatly strained Spanish resources, Breda was lost to the Dutch under Frederick Henry after a four-month siege. In the 1648 Treaty of Westphalia that ended the Thirty and Eighty Years' wars, it was ceded to the Dutch Republic. There were several motives for Spinola's siege of Breda. Because