1) Eastern Roman Empire invented gunpowder.
Greek fire, its chief ingredient was saltpeter  and sulfur, making it an early form of gunpowder.

2) Chinese did not have gun till 1990.

In the 16th century , European believed that a few  thousand soldiers  can conquer China.
-- "The Spanish Plan to Conquer China."

In 1900, a small European army took Beijing and lost only 60 soldiers.
Battle of Peking (1900) , Wikipedia

 

 

Photo No2. Russian army in Beijing.

3)  China imported European cannons.

Hongyipao was the Chinese name for European style muzzle-loading culverins introduced to China and Korea from the Portuguese colony of Macau.
Hongyipao,  Wikipedia

 

 

 

Edited March 26, 20187 yr by cheetaman

Why this bizarre obsession with China?

!

Moderator Note

This is not a chemistry discussion, it's a history one. This isn't a history discussion site.