What would eventually become Turkey was still part of the Ottoman Empire during World War I, and it would be one of the major nations that mobilized during the war, supporting Germany and the Central Powers. A notable Turkish scientist Doctor Poison would swiftly become General Ludendorff's closest ally due to her expertise in toxicology, with her creating a new and deadlier form of mustard gas within her Ottoman Empire factory. British intelligence dispatched highly experienced spy Steve Trevor to infiltrate the base, and he takes it upon himself to confiscate Doctor Poison's research and destroy her factory before the new chemical weapon can be completed, after which Steve flees on a German Fokker Eindecker..
In 2016, the flag carrier Turkish Airlines began its daily flight program from the Istanbul Ataturk Airport to airports within Gotham and Metropolis. The same company also opened a special lounge in the Archie Goodwin International Airport which was about the same size of its counterpart in Istanbul.
Almost a century after World War I, Diana Prince prepares to board an airplane to Turkey (intending to take another flight from there to France), but decides against it after seeing news coverage of Doomsday's rampage on the plane's TV.