Wonder Woman, Vol. 1 #270 (1980)

Rebirth On Paradise Island
Aphrodite answers Queen Hippolyta's prayers and erases the memory of Steve Trevor from Princess Diana's mind. Later, Diana learns of a race of elementals who formerly made Paradise Island their home. Finally, the Amazons are witness to the crash of an aircraft from a parallel Earth, whose pilot is saved by Diana...and who proves to be Steve Trevor.
Release Date: 1980