The siege of Grave, also known as the capture of Grave of 1586, took place from mid-February to 7 June 1586 at Grave, Duchy of Brabant, Low Countries, between the Spanish army led by Governor-General Don Alexander Farnese, Prince of Parma, and the Dutch-States and English forces under Baron Peter van Hemart, Governor of Grave, during the Eighty Years' War and the Anglo-Spanish War. Wikipedia