Charles XII of Sweden: Did you mean...?

A painting showing William Harvey (1578-1657) demonstrating to King Charles I of England (r. 1625-1649) his theory of the circulatory system.

Lord Charles Cornwallis (1738-1805), oil on canvas portrait by Thomas Gainsborough, c. 18th century. Royal Collection Trust.

A c. 1683 painting by John Riley of Charles II of England (r. 1660-1685 CE) wearing armour and with the new British Crown Jewels. (The Weiss Gallery)

A 1633 painting of Charles I of England (r. 1625-1649) by Anthony van Dyck. (Royal Collection, Windsor Castle)

Portrait of Charles V, Holy Roman Emperor (1500-1558), line engraving on paper by Barthel Berham. Scottish National Portrait Gallery, Edinburgh.

Part of Votive Panel of Jan Očko of Vlašim depicting Charles IV. Tempera on limewood, before 1371. National Museum, Prague.

The signed and sealed death warrant for the execution of Charles I of England (r. 1625-1649) in London on 30 January 1649. National Archives, London.

A 1642 painting by William Dobson of the future Charles II of England (r. 1660-1685 CE). (Scottish National Gallery, Edinburgh)

A portrait of Charles the Bold, Duke of Burgundy (1433 - 1477 CE) by Rogier van der Weyden (c. 1400 - 1464 CE). Oil painting. c. 1454-1460. 49 cm (19.2 in) x 32 cm (12.5 in). Now in the collection of the Gemäldegalerie, Berlin.

Illustration of an enthroned Charles the Bald, Holy Roman Emperor (r. 875-877 CE), King of West Francia (r. 843–877) and Italy (r. 875–877). Copied by G.W. Hutin, 1821, from a 9th-century manuscript of the Gospels. The British Museum, London...