Of all the sciences known to humanity, history is probably the most volatile and subject to change. Even more than economics. At the very least because, as we know, history is written by the victors—and it is far from certain that what we "officially" learned from textbooks was 100% true of the past.
And sometimes, it so happens that the simple ignorance of a school teacher leads to us memorizing some "historical facts" for a long time, only to realize later—years later—that they were not true. And it's precisely such facts that are the subject of a viral online thread, a selection of the best materials of which we present to you today.
More info: Reddit