Where is the oldest known record meaning "Middle Kingdom", that is, "China"?
in the book of Han
on Shang artifact
on the hilt of Chinese ritual weapons
on a He zun bronze vessel
The He zun  is an ancient Chinese ritual bronze vessel of the zun shape.It dates from the era of early Western Zhou (1046–771 BC) and is famous as the oldest artifact with the written characters meaning "Middle Kingdom", that is, "China" ( the modern names of China) in a bronze inscription on the container. Today it is in the Baoji Bronze Ware Museum in Shaanxi.
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Answers by country
in the book of Han
on Shang artifact
on the hilt of Chinese ritual weapons
on a He zun bronze vessel
answers
 Germany
Germany27
 the United Kingdom
the United Kingdom25
 Poland
Poland917
 Greece
Greece11
 the United States
the United States43
 Australia
Australia12