A treaty returned Hidveg to Hungary from 1938 to 1945. After 1945 the borders were again changed and Hidveg once again was part of Czechoslovakia. It is now renamed and in Slovakia.
After being sent back to Hungary by a treaty between 1938 and 1945, Hidveg's location changed again after 1945, making him part of Czechoslovakia.  It is now known as Slovakia.