The Siege of Grol in 1627 was a battle Hostile_encounter between the Army of the Dutch Republic commanded Control by Frederick Henry , Prince of Orange and the Spanish controlled Control fortified city of Grol ( now known as Groenlo ) , during the Eighty Years War and the Anglo–Spanish War in 1627 .

The Siege of Grol in 1627 was a battle Hostile_encounter between the Army of the Dutch Republic commanded Control by Frederick Henry , Prince of Orange and the Spanish controlled Control fortified city of Grol ( now known as Groenlo ) , during the Eighty Years War and the Anglo–Spanish War in 1627 .

The Spanish army led by Hendrik van den Bergh came to Self_motion relieve Grol , but it came too late .

During the siege Besieging , a-16 kilometer-long circumvallation line was made Manufacturing around Grol in order to prevent Preventing_or_letting the enemy from leaving Departing and to prevent Preventing_or_letting liberation of the city from the outside .

Ambrosio Spinola had used Using a similar technique during the Siege of Breda ( 1624 ) , and after the successful siege Besieging of Grol Frederic-Henry would later use Using it in other sieges Besieging in the Netherlands , such as at the Siege Besieging of 's-Hertogenbosch .

The success at Grol provided Supply the first serious victory on land for the Republic after the Twelve Years ' Truce .