This is a map of the evolution of Yugoslavia from 1918 to 1992.
This file was derived from:

 History of Yugoslavia.svg: 
Blank map of Europe 1929-1938.svg: 
Blank map of Europe 1956-1990.svg: 
Blank map of Europe (with disputed regions).svg: 
Europe countries.svg:
Derivative work of History_of_Yugoslavia.svg by NikNaks
Portions used contain parts of: Blank_map_of_Europe_1929-1938.svg and Blank_map_of_Europe_1956-1990.svg by Alphathon.
These are in turn were derived from Blank map of Europe (with disputed regions).svg by maix, W!B:, Zirland, MrWeeble, CarolSpears, TimothyBourke, Collard, F7, Alphathon and Heb)
This itself is derived from Europe_countries.svg by Tintazul
derivative work: Alphathon