H ?

1980s languages
Late Cold War
Fourth generation

Explore languages for France and for year 1984

ALOG    1984     France    
AMP    1984     France    
Esterel    1984   Experimental and other   France    
Le-Lisp    1984   String and List Processing Lazy Evaluation LISPs   France    
PLASMA-II    1984     France    
PLUSS    1984     France    
Prolog III    1984   String and List Processing Horn clause   France   Prolog with unification replaced by constraint resolution. 
QNAP    1984     France