Here's a few others worthy of mention...

- Carter Hall, in his civilian identity, being outed as an alien much to the horror of the citizens of Midway City (Hawkman #22)

- Superboy finds his parents Jor-El and Lara floating in suspended animation in space - they never died in Krypton's explosion - and no, it was not an imaginary story! (Superboy #158)

- The most infantile villain of all time, Egg Fu - need I say anymore? (Wonder Woman #157)