Germany

In the Prime Universe, Castle Frankenstein was located in Darmstadt, Germany. (PROSE: The Time of the Toymaker)

In another universe, when a rogue planet entered the solar system in the middle of World War II, it was feared that Nazi Germany would attempt to settle it, leading to its main opponents in the war, the U.S. and Soviet Union, attempting to beat them to it with a joint mission. (PROSE: The New Mission)