Yalta
From Tardis Wiki, the free Doctor Who reference
Yalta was the location where Winston Churchill, Joseph Stalin and Franklin Delano Roosevelt met to discuss the partitioning of Europe after World War II. (PROSE: Byzantium!)
Tom tried to use Iris Wildthyme's time-space kinetograph to watch Churchill, Stalin and Roosevelt's meeting at Yalta, but only saw the back of three chairs; Iris said the camera angles couldn't always be propitious. (PROSE: Beguine)