30 June – First Anglo-Dutch War: Britain formally declares war on theDutch Republic (United Provinces of the Netherlands).[3]
26 August – First Anglo-Dutch War: An English fleet attacks an outward-bound Dutch convoy of the escorted by 23 men-of-war and six fire ships commanded by Vice-CommodoreMichiel de Ruyter at theBattle of Plymouth; the Dutch escape.
6 September – First Anglo-Dutch War:Battle of Elba, a Dutch naval victory.