History of Kvass The appearance of this invigorating drink has its roots in ancient times. The first mention of the drink, which was a cross between beer and kvass, is known, these records are subsidized another 6 thousand BC, it is impossible to tell who the “idea” of kvass belongs to, but notes from Egypt. Facts about fruit kvass from Babylon are also known. A similar drink in their writings was described by the Greeks Hippocrates and Herodotus. In Russia, kvass appeared a little more than a thousand years ago, although the Eastern Slavs had knowledge about the preparation of kvass long before the formation of Kievan Rus. But the first "official" sources, which are subsidized in 989, say: "after baptism, Prince Vladimir I Svyatoslavovich ordered the people to be given" food, honey and kvass. " In general, kvass became an everyday and ubiquitous drink that was available to everyone, it was prepared by peasants and monks, military and landlords. It was believed that kvass not only quen