Have you ever had one of those days where north is south and south is north and nothing seems to be going the way you think it should? Well, guess what? The earth had that same kind of day when it switched polarities 42,000 years ago. Hear about it at urban legends and stranger truths. Around 41,000 years ago, something remarkable happened. The earth's magnetic fields flipped. And for a short period of time, no north was south and south was north
