ORDER OF BATTLE // June 9, 1667
Raid on the Medway
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
1 sides catalogued · combined 17,500 estimated
Dutch Republic
17,500
Medium-confidence figure
Battle context
The Raid on the Medway was a decisive Dutch naval operation during the Second Anglo-Dutch War, in which the Dutch fleet attacked English warships laid up at the fleet anchorages off Chatham Dockyard and Gillingham in Kent. The raid struck at the heart of English naval infrastructure, targeting vessels that the Gillingham Line — a barrier chain — and the fortress of Upnor Castle were meant to protect. The success of the operation, executed under the overall command of Michiel de Ruyter and Cornelis de Witt, demonstrated the vulnerability of England's laid-up fleet and dealt a severe blow to English naval prestige. Within the Second Anglo-Dutch War, the raid substantially strengthened the Dutch negotiating position and is widely associated with bringing the conflict toward its conclusion.
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