What’s next? Rename New Mexico? Oh how about the Capital District of CoLuMbiA!?!? Wait the United States is just one country among many in just one of the American continents. Why not call it the Gulf of the Americas?

Not unlike the species of it’s creators, go figure.

Look up Dr. Ronald L Mallett. This astrophysicist has some interesting takes on practical time travel. There’s a great interview with him by Fraser Cain of Universe Today.

Pretty sure there is no absolute universal position, everything in the universe being in motion relative to everything else as the universe expands, but that does not disprove your point anyways.