D: Did you mean...?

Chalk on paper portrait of Isabella d'Este, the Marchioness of Mantua by Leonardo da Vinci, c. 1500 CE. Louvre, Paris.

Carte détaillant le massacre d'Oradour-sur-Glane qui eut lieu le 10 juin 1944, près de Limoges dans le sud-ouest de la France. Pendant la Seconde Guerre mondiale (1939-45), 643 hommes, femmes et enfants innocents furent tués par des soldats...

A 1944 portrait photograph by Leon Perskie of the United States President Franklin D. Roosevelt. (Franklin D. Roosevelt Presidential Library and Museum)

A photograph showing sections of a Mulberry Harbour at the Normandy Landings which began on D-Day 6 June 1944. The Mulberry Harbour was a floating structure which allowed vehicles and supplies to be landed without the need to capture a port...

Château d’Ancy-le-Franc in the Yonne department of north-central France. Designed by the Italian Renaissance architect Sebastiano Serlio (c. 1475-1554 CE) in the mid-16th century CE.

Charles Henri Hector, comte d'Estaing (1729-1794). D'Estaing commanded a French fleet during the American Revolutionary War (1775-1783) and participated in the Battle of Rhode Island (1778) and the Siege of Savannah (1779). His loyalty to...

Pont-d'Arc Cavern, a replica of the Chauvet Cave. Near Vallon-Pont-d'Arc, Ardèche, France.

A March 1918 photograph of a German Fokker D VII executing a loop during the First World War (1914-18). Imperial War Museums, London.

Henry David Thoreau (1817-1862), stipple and line steel engraving on paper by an unknown artist after Samuel Worcester Rowse, c. 1863 National Portrait Gallery, Smithsonian Institution.

Mark Twain (Samuel L. Clemens) left, part of the Brady-Handy photograph collection, photographed on 7 Feb 1871. Library of Congress, Washington, D.C.