When the british invaded china, does it was a good period of time? what happened?

British invaded China January 25, 1841

Explanation:

Britain invaded the Chinese mainland and occupied the land of HONG KONG on January 25, 1841, using it as a military staging point. China lost war and had to cede HONG KONG to Britain in the Treaty of Nanking. As a result, HONK KONG became a crown colony of the British empire.