Adding "Current Location" below original historic location, and time exclusivity to locations
I specialize in Czech genealogy and before 1918, the country was technically part of Austria. Of course using an Austria birth location for someone born in 1850 is more correct, but if you do there are a lot of complications. Many of the districts have since changed and many Czech village names are instead recorded in German (because Austria administrated under the German language). This is alright... but nowadays, most church and census records for the country are organized under their current names and districts. So if, for example, someone was born in "Neudorf" in the former Caslav district, a researcher would have to scramble to figure out which regional archive to use, what "Neudorf" translates to in Czech, and what new specific district the village is now under (as more districts exist today than back then as well).
What I propose is when you see a person's historic birth location in their profile, you could see a "current location:" right below which can specify where it is today. On top of that, if I hypothetically make a profile, saying someone was "born 1803" and then saying they were "born in Prague", it would be great if the input would automatically only take the "Austria" option, instead of offering "Czechia" or "Czechoslovakia". Those can instead be seen once the profile is made and therefore both answers can be understood.
This is my first UI suggestion but thank you for reading.