American film star Marilyn Monroe (Norma Jean Mortenson or Norma Jean Baker). (Photo by Keystone Features/Getty Images). 1952

The world's biggest wild animal farmer, Carr Hartley of Rumuruti in Kenya, sells animals to zoos, circuses and film companies. (Photo by Maxim Ruston/BIPs/Getty Images). November 1956

Television actress Catherine Fuller visits Trafalgar Square in London and feeds the famous pigeons. (Photo by Harry Kerr/BIPs/Getty Images). 26th June 1956

A marcher dressed as Marilyn Monroe during the annual Gay Pride march in London, July 1994. (Photo by Steve Eason/Hulton Archive/Getty Images)

American singer Michael Jackson (1958–2009) arrives at Heathrow Airport with his manager Frank DiLeo, on his Bad World Tour, 11th July 1988. (Photo by Dave Hogan/Getty Images)

British prime minister Winston Churchill (1874–1965) stops to pet a cat at Liverpool Street Station, 24th May 1952. (Photo by Keystone/Hulton Archive/Getty Images)

Russian soldiers write home while serving on the Eastern Front during World War I, circa 1915. (Photo by Hulton Archive/Getty Images)

“José Doroteo Arango Arámbula (5 June 1878 – 20 July 1923) – better known by his pseudonym Francisco Villa or its hypocorism Pancho Villa – was one of the most prominent Mexican Revolutionary generals”. – Wikipedia

Photo: Mexican rebel leader Francisco “Pancho” Villa with one of the motorcycles used in the Battle of Torrero. (Photo by Topical Press Agency/Getty Images). August 1914