The earliest form of sushi, a dish today often known as narezushi, has its probable origin with paddy fields alongside the Mekong River of what is now south-western China, Myanmar, Laos, and Thailand. Narezushi in historical China is first documented around the 4th century, if the Han Chinese migrated south https://reidcnxtk.thezenweb.com/histroy-of-sushi-52469761