The Siege of Hulst (1645) was the last major siege of the Eighty Years' War, in which the heavily fortified town of Hulst was conquered by Dutch troops commanded by Frederick Henry after 28 days. // Events January 10 - Archbishop Laud executed on Tower Hill, London. ... A siege is a military blockade and assault of a city or fortress with the intent of conquering by force or attrition. ... Combatants Dutch rebels Spanish Empire The Eighty Years War, or Dutch Revolt (1566â1648), was the revolt of the Seventeen Provinces in the Netherlands against the Spanish king. ... Hulst is a municipality and a city in the southwestern Netherlands in the east of Zeeuws-Vlaanderen. ... The name Frederick Henry may refer to any of the following: Frederick Henry, Prince of Orange; Frederick Henry, seventh bishop of Calgary, Canada This is a disambiguation page â a navigational aid which lists pages that might otherwise share the same title. ...