De Ruyter, Michiel Adriaanszoon

▪ Dutch admiral

born March 24, 1607, Vlissingen, United Provinces [Neth.]

died April 29, 1676, Syracuse, Sicily [Italy]

      Dutch seaman and one of his country's greatest admirals. His brilliant naval victories in the Second and Third Anglo-Dutch wars enabled the United Provinces to maintain a balance of power with England.

      Employed at sea at the age of nine, De Ruyter by 1635 had become a merchant captain. After serving as rear admiral of a Dutch fleet assisting Portugal against Spain in 1641, he returned to the merchant service for the next 10 years, fighting against the Barbary pirates off the north African coast. With the outbreak of the First Anglo-Dutch War (1652–54), he accepted a naval command, serving with distinction under Maarten Tromp and attaining the rank of vice admiral in 1653 after his victory off Texel. De Ruyter's successes in battle have been attributed to his development of an effective combat order, stressing fleet discipline.

      In 1659 De Ruyter supported Denmark against Sweden in the Baltic in the First Northern War (1655–60). He fought against the English (1664–65) off the Guinea Coast of Africa, helping to restore the Dutch West India Company's commercial dominance in the area, but he was unsuccessful in subsequent campaigns against the English in the West Indies.

      Returning to the United Provinces in 1665, De Ruyter was named lieutenant admiral of Holland and worked closely with Johan De Witt to strengthen the Dutch navy. In the Second Anglo-Dutch War (1665–67), his greatest victories were in the Four Days' Battle (June 1666) and in the raid on the Medway (June 1667), in which much of the English fleet was destroyed; the latter victory accelerated the Anglo-Dutch peace negotiations that had begun at Breda in April 1667. De Ruyter's blaming Admiral Cornelis Tromp (Tromp, Cornelis) for the defeat in the St. James's Day battle in August 1666 resulted in the withdrawal of Tromp's commission and his resignation from the navy until 1673, when the two distinguished commanders were reconciled.

      De Ruyter's performance in the Third Anglo-Dutch War (Anglo-Dutch Wars) (1672–74) has been considered his greatest achievement: his victories over larger Anglo-French forces off Solebay (1672) and Ostend and Kijkduin (1673) prevented an invasion of the Dutch Republic from the sea. In 1675–76 he fought against the French in the Mediterranean and was mortally wounded off Sicily.

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