le-brun-horatius-cocles.jpg | Horatius Cocles defending the bridge | Charles Le Brun, c. 1642–43 | Public domain | Wikimedia Commons |
berlin-wall-potsdamer-platz-1989.jpg | Crowd at the new opening in the Berlin Wall, Potsdamer Platz | F. Lee Corkran, US Air Force, 14 Nov 1989 | Public domain (US government work) | Wikimedia Commons; US National Archives 6460115 |
mosul-2014.jpg | Burnt-out Iraqi army Humvees by the Nineveh Hotel, Mosul | Omar Siddeeq Yousif, 14 June 2014 | CC BY-SA 4.0 | Wikimedia Commons |
kruger-herd-returns.jpg | Frame at 6:53: the herd pressing down over the lions | Battle at Kruger, David Budzinski and Jason Schlosberg, 2004 | Fair use | YouTube |
leviathan-frontispiece.jpg | Frontispiece to Hobbes's Leviathan, cropped to the crowned figure | Abraham Bosse, 1651; British Library scan | Public domain / CC0 | Wikimedia Commons |
