A biography of Charles V (1500 – 1558), the ruler of the Holy Roman Empire from 1519 and, as Charles I, of the Spanish Empire from 1516 until his voluntary abdication in favor of his younger brother Ferdinand I as Holy Roman Emperor and his son Philip II as King of Spain in 1556.
Also of interest:
Charles V of Germany
Peter the Great a short biography
Elizabeth I Empress of Russia
King Charles XII of Sweden