

This principle is itself frequently referred to as Godwin's law. For example, there is a tradition in many newsgroups and other Internet discussion forums that, when a Hitler comparison is made, the thread is finished and whoever made the comparison loses whatever debate is in progress. There are many corollaries to Godwin's law, some considered more canonical (by being adopted by Godwin himself) than others. 1 Generalization, corollaries, and usage.In 2021, Harvard researchers published an article showing the phenomenon does not actually frequently occur with any statistical meaningfulness in Reddit discussions as Godwin's "law" suggests.

In 2012, "Godwin's law" became an entry in the third edition of the Oxford English Dictionary. Later it was applied to any threaded online discussion, such as Internet forums, chat rooms, and comment threads, as well as to speeches, articles, and other rhetoric where reductio ad Hitlerum occurs. He stated that he introduced Godwin's law in 1990 as an experiment in memetics. Promulgated by the American attorney and author Mike Godwin in 1990, Godwin's law originally referred specifically to Usenet newsgroup discussions.

Godwin's law, short for Godwin's law (or rule) of Nazi analogies, is an Internet adage asserting that as an online discussion grows longer (regardless of topic or scope), the probability of a comparison to Nazis or Adolf Hitler approaches 1. Internet adage regarding Nazi comparisons
