Jamie,
so according to you I am to submit to a site which I use for sources but for nothing else this list for my ancestor's town:
to 1806 Edingen, Amt Greifenstein, Fürstentum Solms-Braunfels, Heiliges Römisches Reich
from 1806 Edingen, Greifenstein, Herzogtum Nassau
from 1816: Edingen, Braunfels, Koblenz, Rheinprovinz, Königreich Preußen, Deutscher Bund
from 1822: Edingen, Wetzlar, Koblenz, Rheinprovinz, Königreich Preußen, Deutscher Bund
from 1866: Edingen, Wetzlar, Koblenz, Rheinprovinz, Königreich Preußen, Norddeutscher Bund
from 1871: Edingen, Wetzlar, Koblenz, Rheinprovinz, Königreich Preußen, Deutsches Reich
from 1918: Edingen, Wetzlar, Koblenz, Rheinprovinz, Freistaat Preußen, Deutsches Reich
from 1932: Edingen, Wetzlar, Wiesbaden, Provinz Hessen-Nassau, Freistaat Preußen, Deutsches Reich
from 1944: Edingen, Wetzlar, Provinz Nassau, Freistaat Preußen, Deutsches Reich
from 1945: Edingen, Wetzlar, Wiesbaden, Groß-Hessen, Amerikanische Besatzungszone
from 1949: Edingen, Wetzlar, Wiesbaden, Hessen, Bundesrepublik Deutschland
from 1968: Edingen, Wetzlar, Darmstadt, Hessen, Bundesrepublik Deutschland
from 1977: Edingen, Sinn, Lahn-Dill-Kreis, Darmstadt, Hessen, Bundesrepublik Deutschland
from 1981: Edingen, Sinn, Lahn-Dill-Kreis, Gießen, Hessen, Bundesrepublik Deutschland
And this only ONE town, which is fortunately listed in German Wikipedia. In the meanwhile I became an expert in using German Wikipedia to find out to which territory a place belonged to at a certain point of time, because I worked with so many locations I never heard of.
It would be far better to have a dropdown menu that better reflects the historical developments than to rely on a borrowed list which isn't correct.
Yes, we don't have to use the list, but in case you type something in the field that isn't in the list (and you don't want to delete the list though, because it can give good hints (!) but nothing more), the suggestions of the list nearly always pop over the next fields you want to fill. And that can be very annoying, especially when these lists are stubborn and appear seemingly a dozen times.