By fatguy Orson Welles.
My mom remembered to me, her dad grabbing his shotgun, and going out with the other fathers to defend against the approaching aliens of the tri-state area. The family was terrified. Event was later presented as a "mere" joke.
This radio presentation was either funny or abusive. Nearly a century later, I see both pros and cons for both arguments.
You fucked with people back then though, and while it wasn't real, you scared the F out of people, snickering at how they so easily believed their end was near.
That looks rather sadistic today.
I dunno what I believe about back then, but current times should present a more harsh consequence for anything similar which presents itself in such worrisome times.