... that Olympic diver Millie Hudson, who attempted to swim across the Strait of Gibraltar in 1928, was a member of the Hammersmith Ladies Swimming Club along with Belle White, the first British diver to win an Olympic medal?
... that Gibraltar's St. Michael's Cave, prepared as an emergency hospital during World War II, at present contains an auditorium and receives almost a million visitors a year?
...that Operation Tracer was a top-secret WWII mission in which six men were to be buried alive inside the Rock of Gibraltar so that they could monitor enemy movements after the Rock's capture?