Warbeck, Perkin (1474–1499), a pretender to the English crown in the reign of Henry VII. Although of Flemish birth, he claimed to be Richard, duke of York, one of the two sons of Edward IV who were imprisoned in the Tower of London by Richard III. Encouraged by James IV of Scotland, Charles VIII of France, and Holy Roman Emperor Maximilian I, Warbeck invaded England during 1495–97, but his forces were defeated. He was captured and confined in the Tower of London, and eventually was put to death.
Cid, El , the popular name of Rodrigo (or Ruy) Diaz de Bivar (1040 - 1099), a Spanish national hero.
Cook, James (1728 - 1779), a British navigator. Captain Cook accurately charted vast regions of the South Pacific; provided a basis for England's claim to Australia and New Zealand; and developed a diet that prevented scurvy among seamen.