Peace conference
From Tardis Wiki, the free Doctor Who reference
A peace conference was a diplomatic meeting where representatives of certain conflicting parties converged to end hostilities.
History
During the 20th century, two World Peace Conferences were held on Earth. (TV: The Mind of Evil, Day of the Daleks)
The Third Intergalactic Peace Conference was a peace conference which the Doctor was to attend, according to his third incarnation, before he was captured en route to the conference, by a group of Medusoids. (TV: Frontier in Space)
In 3764, a peace conference was held among the Raxas Alliance on Clix. (COMIC: Doctormania)