Istanbul
Istanbul was an ancient Earth city located in Eurasia. In early history, it was known as Constantinople.

In the 13th century, one Crusade resulted in the Sack of Constantinople. (, , )

In summer 1334, Constantinople was affected by the Bubonic plague while Flint was in the city. ()

During the 19th and 20th centuries, the city was the destination of the Orient Express. ()

In the Julian Bashir, Secret Agent holoprogram set in the 1960s, Istanbul sent several messages to an island in the South Pacific, that were intercepted by the Americans. ()

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Earth settlements