The earlist printing known was in 8th century China and Korea.
This was done in 11th century China and Korea.
The lapa is a wind instrument originating in 19th century China.
Observational accuracy of sunrise and sunset times in the sixth century China.
The earliest documentation of fireworks dates back to 7th century China, where they were invented.
The action is set in the Qing dynasty of 19th century China.
For example, in 16th century China, people would repair broken ceramics by using pieces from other objects to disguise the patch.
The po is a percussion instrument originating in 19th century China.
Paper money called "jiaozi" originated from promissory notes in 7th century China.
We had a similar example in 20th century China during the Cultural Revolution.