British Royalty. Windsor, England. June 1982. Queen Elizabeth II rides on horseback with American President Ronald Reagan. [Getty Images]

British Royalty, Windsor, England, June 1982, Queen Elizabeth II rides on horseback with American President Ronald Reagan (Photo by Bob Thomas/Popperfoto via Getty Images/Getty Images) — see more

British Royalty, Windsor, England, June 1982, Queen Elizabeth II rides on horseback with American President Ronald Reagan (Photo by Bob Thomas/Popperfoto via Getty Images/Getty Images)

Popperfoto Bob Thomas/Popperfoto