Germany was separated into two separate countries, East Germany and West Germany, until they were reunified in 1990.
Yemen was two countries until 1990.
Yemen was two countries until 1990.
Germany was two separate countries until 1990: West Germany (officially the Federal Republic of Germany) and East Germany (officially the German Democratic Republic). They were divided after World War II and reunited on October 3, 1990.
Yemen
Yemen
The Euro did not exist until 1999, and it was purely a banking currency until 2002. So no countries used the Euro in the 1990's.
Germany.
Germany
Germany.
Nambia
Iran invaded no country in 1990. Iraq invaded Kuwait in this year, but Iran and Iraq are two entirely different countries.