Here’s an “AGGRESSION” comparison between People’s Republic of China (PRC) and the United States (USA). To keep score, I will only count casualties (those killed on both sides—the wounded and cost of the wars will not be counted).  The most aggressive nation will have the highest score.

First Tibet (1950): Technically Tibet was an independent country from 1911-12 to 1950—thirty-eight years.

Before that, Tibet was ruled over by China starting with the Yuan Dynasty (1277-1367) ), Ming Dynasty (1368-1643) and Qing Dynasty (1644-1911) —five-hundred-forty-three years.

To read about this from a reputable Western source (because few in the West trust PRC sources), I suggest the October 1912 issue of The National Geographic Magazine.  There’s a piece in the magazine written by a Western trained, Qing-Dynasty doctor that the Chinese emperor sent to Tibet in 1907 for two years. His name was Shaoching…