Blank Map of the World
Blank map of the world c.1985, from wikipedia.
This is also officially accurate for the period between 1977 (South Africa imposes direct rule on Walvis Bay) - May 22 1990 (Unification of North and South Yemen). Unofficial border changes occured between 1977 and 1990 which include in 1979 the US de facto hand over of the Panama Canal Zone to Panama (made official in December 1999) and in December 26, 1981 when the Iraq-Saudi Arabia Neutral Zone was partitioned between Iraq and Saudi Arabia but was only officially accepted in 1991.
Maps of The World
Kids Maps Online