Analysis of information sources in references of the Wikipedia article "Sủi cảo" in Vietnamese language version.
Chinese dumplings are said to have begun near the end of the Eastern Han Dynasty with Zhang Zhongjing (AD 150 - 219), a famous northern Chinese medicinal herbalist known as "The Medicine Saint."
One would always have suspected that the ubiquitous Japanese gyoza originated from China – and one would be completely right, unlike most economists. The origins of the gyoza are said to stem from the treatments invented by Zhang Zhongjing (150 – 219 AD), a Han Dynasty physician born in Nanyang. One of his inventions was the jiaozi (though it was originally called "tender ears") and they were used to treat frostbitten ears during the freezing winters.