The Dzungar army surrenders to Manchu officers of the Qing Dynasty in 1759 in the Ili Valley, now part of China's Xinjiang region, in this painting made several years later by Chinese and Jesuit missionary artists. Wikimedia Commons hide caption

itoggle caption Wikimedia Commons

A rare moment of gender parity in philosophy: Simone de Beauvoir and Jean-Paul Sartre at a Paris cafe in May 1970. STF/AFP/Getty Images hide caption

itoggle caption STF/AFP/Getty Images

A still from Texas Chainsaw Massacre: The Beginning. Apparently, the 2006 film was a parable about class, power and food behaviors. Van Redin/AP hide caption

itoggle caption Van Redin/AP