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Who said fake news is a new phenomenon?

Whichever side you support, it seems that we are indeed living in a terrifying era of post-truth, when not just particular military incidents, but entire histories and nations might be faked. But if this is the era of post-truth, when, exactly, was the halcyon age of truth? In the 1980s? The 1950s? The 1930s? And what triggered our transition to the post-truth era-the Internet? Social media? The rise of Putin and Trump?
A cursory look at history reveals that propaganda and disinformation are nothing new, and even the habit of denying entire nations and creating fake countries has a long pedigree. In 1931 the Japanese army staged mock attacks on itself to justify its invasion of China, and then created the fake country of Manchukuo to legitimise its conquests. China itself has long denied that Tibet ever existed as an independent country. British settlement in Australia was justified by the legal doctrine of terra nullius ('nobody's land'), which effectively erased 50,000 years of Aboriginal history.
In fact, humans have always lived in the age of post-truth. Homo sapiens is a post-truth species, whose power depends on creating and believing fictions. Ever since the Stone Age, self-reinforcing myths have served to unite human collectives. Indeed, Homo sapiens conquered this planet thanks above all to the unique human ability to create and spread fictions. We are the only mammals that can cooperate with numerous strangers because only we can invent fictional stories, spread them around, and convince millions of others to believe in them. As long as everybody believes in the same fictions, we all obey the same laws, and can thereby cooperate effectively.
- Yuval Noah Harari is the the author of Sapiens: A Brief History of Humankind and Homo Deus: A Brief History of Tomorrow. This is an excerpt from a column that first appeared in The Open magazine