5929099 The Battle of Worcester, 1651 (engraving) by Barlow (fl.c.1750); National Army Museum, London; (add.info.: The Battle of Worcester, 1651. Engraving by Barlow, 1750 (c). In 1650 Oliver Cromwell led a pre-emptive invasion of Scotland, to strike at Scottish support for King Charles II. At first out-manoeuvred by the Scots, he achieved a brilliant victory at the battle of Dunbar (September 1650) although outnumbered almost two to one. A year later he won a crushing victory over the Scots at the battle of Worcester, which was to be his last major field action. His victory at Worcester marked the end of the Civil Wars.); by National Army Museum .