Mexican President Jose Lopez Portillo sits between Queen Silvia and Princess Lillian of Sweden at a state dinner at the Royal Palace in Stockholm, 27th May 1980. (Photo by Keystone/Getty Images)
Mexican President Jose Lopez Portillo sits between Queen Silvia and Princess Lillian of Sweden at a state dinner at the Royal Palace in Stockholm, 27th May 1980. (Photo by Keystone/Getty Images)