Alternate timeline(covers information from an alternate timeline)
Oklahoma City was a city in the Oklahoma region on Earth.
In an alternate timeline, where Nazi Germany had invaded the United States, Oklahoma City was as of 1944 controlled by American forces. (ENT: "Storm Front", "Storm Front, Part II")
Oklahoma City was named on a map of the United States (Die Vereinigten Staaten von Amerika). Its location was represented by an orange circle.