I would like to know more about the history of China

Hi, I would like to acquire a better knowledge and understanding of the chinese history. I am interested in learning and understanding the events, the achievements and the the dynasties between the Yellow Emperor and 1911.

Could you recommend interesting documentaries, websites or anything clear and accessible in french, in english or in spanish.

Do you say " Middle School " or " junior High School " ?

Do you think it's a shame not being able to swim ?

Merely and only, Are these 2 terms interchangeable ? The only one = the mere one ?

Why did the americans lose their british accent ?

And maybe a more relevant question is when did they lose it ?

Is it possible to convert a TOEIC certification into a IELTS and vice versa ?

Is it possible to convert a TOEIC certification into a IELTS and vice versa ?

What is the meaning of this sentence ? With much wisdom comes much sorrow; and who increases his knowledge, increases his grief. Thank you in advance !

I don't get the meaning of this sentence " Keep thy motives in heart, with closed mouth. We are those who will weave history with the ringing of the great belfry. " Could you help please ?