Today in Comics History: Wonder Woman tries new Bouncin' and Behavin' Pert; loses her powers

Panels from Wonder Woman #176 (May-June 1968), script by Robert Kanigher, pencils by Ric Estrada, inks by Mike Esposito
It's the one day of the year when Wonder Woman loses her Wonder Powers!

Or...is it? Tune in tomorrow for a contradictory view!