Lieutenant-Admiral Michiel de Ruyter virtually controlled the seas around the south coast of England after a battle that took place in what year ?
Raid on the Medway The Raid on the Medway during the Second Anglo-Dutch War in June 1667, sometimes called the Battle of the Medway, Raid on Chatham or the Battle of Chatham, was a successful and daring attack conducted by the Dutch navy deep upriver targeting the largest English naval battleships at a time when most were virtually unmanned and unarmed, laid up due to lack of funding in the fleet anchorages off Chatham Dockyard and Gillingham in the county of Kent. At the time, the fortress of Upnor Castle and a barrier chain called the "Gillingham Line" were supposed to protect the mothballed naval ships anchored off Chatham, the main English naval base in southeastern Stuart England.
Battle of the Narrow Seas The Battle of the Narrow Seas, also known as the Battle of the Goodwin Sands or Battle of the Dover Straits was a naval engagement that took place on the 3–4 October 1602 during the Anglo-Spanish War of 1585 and part of the Dutch Revolt. An English fleet under Sir Robert Mansell intercepted and attacked six Spanish galleys under the command of Federico Spinola; in the Dover Straits and was fought all the way off from the coast of England and finally off the Spanish Netherlands. The English were soon joined by a Dutch fleet under Jan Adriaanszoon Cant and they completed the destruction.