History of Sake #2
    
Over 2000 years ago, rice cultivation crossed into Japan from China, laying the foundation of alcohol-making from sake since then.
    
However, many more theories have been suggested in recent years that rice came to Japan even earlier

History of Sake #3

713AD was the first appearance of sake in the literature, called “Kuchikami” sake

It is made by the oldest known method: by chewing the cooked rice, saliva turns rice starch into sugar, then fermenting the mixture in natural yeast to turn it into alcohol.