"Frederick Henry (Dutch: Frederik Hendrik; 29 January 1584 – 14 March 1647) was the sovereign prince of Orange and stadtholder of Holland, Zeeland, Utrecht, Guelders, Overijssel ...
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in the Dutch Republic from 1625 until his death in 1647. The last seven years of his life he also was the stadtholder of Groningen (1640-1647).
As the leading soldier in the Dutch wars against Spain, his main achievement was the successful Siege of ´s-Hertogenbosch in 1629. It was the main Spanish base and a well-fortified city protected by an experienced Spanish garrison and by formidable water defenses. His strategy was the successful neutralization of the threat of inundation of the area around ´s-Hertogenbosch and his capture of the Spanish storehouse at Wesel." - (en.wikipedia.org 01.02.2020)
