A line of soldiers firing handguns during a training session, circa 1920. (Photo by Keystone). P.S. All pictures are presented in high resolution.

An oversized, prehistoric praying mantis wreaks havoc in a freeway underpass as it overturns cars and trucks, in a film still from “The Deadly Mantis”, directed by Nathan Juran, 1957. (Photo by Universal Pictures/Courtesy of Getty Images)

Linda Rooks from Yeovil in Somerset, a hostess at Whipsnade Zoo, wears “Tanga” a 7fy long python as a hat and scarf. (Photo by William Vanderson/Getty Images). 1965

A new type of tandem at Alexandra Palace, London. (Photo by Fox Photos/Getty Images). June 1936

11th February 1974: A Maori wields his spear to terrifying effect, during the state visit of Queen Elizabeth II and Prince Philip to New Zealand.

A British policewoman chasing after a group of naked street boys by the Serpentine in Hyde Park, London. (Photo by Reg Speller/Getty Images). 1926

To draw the public's attention to a new line of bathing suits, a Tokyo department store used live models to show off the suits on June 5, 1950. The rain didn't bother the curious, and both the girls and the crowd seemed to like the idea of staring at each other through the glass. (Photo by AP Photo via The Atlantic)

British model Jean Shrimpton at London Airport (now Heathrow), 5th June 1967. (Photo by Dove/Express/Getty Images)