Roughly 1000 years ago- no one knows the exact date, place or person- too long ago.
The first documented note of gunpowder was in China, in around 142 A.D.
Yes China did invent silk or they found out that silkworms created silk
Yes. Chinese did invent the clock
yes
He did not invent the rifle
CHINA
probably china
some.
China
china, they invent everything
Yes.
China