The earliest form of sushi, a dish nowadays called narezushi, has its probable origin with paddy fields along the Mekong River of what's now south-western China, Myanmar, Laos, and Thailand. Narezushi in historical China is initial documented round the 4th century, when the Han Chinese migrated south to adopt this https://jeffreyaknon.blazingblog.com/17137038/histroy-of-sushi