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A Brief History of the Free Republic of Champignon (FRC).
Long ago, about thirty years ago, there existed a small but very developed and wealthy state called Epylandia. It had a southern region and a mountainous terrain, and one of the largest rivers in the world originated there. Other states constantly made Epylandia richer and richer, lending it money at interest, not to mention the trade, which grew year after year. The Epylandians were hardworking and educated, knew many languages, and could solve complex mathematical problems in their heads.
Perhaps things would have continued this way, but then came the age of satellites. One day, one such satellite flew over Epylandia and took detailed photographs of the country. And then the Epylandians were shocked: the satellite discovered an entire city right next to them. A huge city with strange structures like pyramids, and all of this was hidden in such a... in such a place that no one had ever seen this city.
Immediately, a large group of researchers and archaeologists were sent there. Upon arriving at the site, to their surprise, they discovered a whole bunch of savages. Absolutely naked savages. And these savages suddenly grabbed sticks and, with clearly unfriendly intentions, rushed to attack the strangers. The Epylandians ran so fast that even marathon runners would be envious, and, reaching their cars, they developed a speed close to Formula 1 records.
"Well, that's it!" sighed the unfortunate archaeologists and researchers, reaching the city. The adventure was terrifying and dangerous; they were almost killed, but at least they would have something to tell their children and grandchildren! And yes, they definitely need to tell the public about the discovery. Wait a minute, what is that in the distance, behind the mountains? It looks like a landslide, right? But why are the stones falling everywhere at the same time? Or are they not stones?
The next few minutes were a nightmare. Hundreds of thousands of naked savages with sticks broke into the city. They instantly crushed the police and the army, occupied all government buildings, and, moreover, all the supermarkets: there, the savages immediately began to experience the delights of civilized life in the form of chips, chocolate, and popcorn.
In a matter of days, Epylandia ceased to exist, and absolute anarchy reigned in the country. With superhuman efforts, the Epylandians managed to establish contact with the savages and establish at least a semblance of a parliament in the country, but the vast majority of parliamentarians were savages, not Epylandians. Otherwise, the savages threatened to eat all the Epylandian notebooks, believing that they were some kind of parsley or salad.
The Epylandians resigned themselves to their new government. After all, they decided that such intelligent and educated people as themselves would sooner or later have a positive influence on the savages and their IQ. Only, decades passed, and now it can be seen that exactly the opposite happened. People liked the absolute freedom and permissiveness so much that the vast majority accepted the ways of the savages and completely merged with them.
The savages themselves, due to their special traditional fondness for mushrooms, were called champignons, and later this name became the new name of the country and its inhabitants.
The currency in the country is marmalade. This is a special, extremely rare hallucinogenic mushroom of red color, growing in very, very difficult-to-reproduce conditions. So, in fact, the cultivation of this mushroom by the government of the FRC and some particularly large corporations is what constitutes the printing of money. It is impossible to counterfeit them if you are not a billionaire, and if a billionaire is involved in counterfeiting money... Well, so what, let him pay a kickback and go in peace.