H ?

1960s languages ↑
Early Cold War ↑
Third generation ↑

Explore languages for Japan and for year 1964

ALGOLIP    ⊕ 1964     ⊕ Japan    
OKIPAL    ⊕ 1964     ⊕ Japan    
OKISIP    ⊕ 1964     ⊕ Japan   OKI HLA