On April Fool’s Day, 1976, the BBC convinced many listeners that a special alignment of the planets would temporarily decrease gravity on Earth. Phone lines were flooded with callers who claimed they felt the effects.
2
In 1974, prankster Porky Bickar was so into April Fools, he flew hundreds of tires into a dormant volcano in Alaska and set them on fire - fooling the local populace and coast guard into thinking the volcano was active.
30