Administrative divisions
Aftermath of WWII
Ethnicity and religion
Hungary
Romania
Slovakia
Territorial claims and disputes
The main map is just one of minorities in Hungary in 1990 and not really that important. I'm posting this one for the insets.
Inset a (Hungarian-Romanian border negotiations during the 1946 Paris Peace Conference):
1) frontiers, 1920 (1947) [also, bifurcating from it at Salonta/Nagyszalonta, the frontier of the 2nd Vienna Award]
2) first Hungarian proposal
3) second Hungarian proposal
4) proposed compromise borders
5) railway line
Inset b (Hungarian-Czechoslovak border negotiations during the conference):
1) Trianon borders
2) Munich, 1938
3) Czechoslovak demand
4) frontiers, 1947
5) to Czechoslovakia
6) [roads?]
7) [railways?]