Why do many people in china refer to themselves as "people of han"

Are an ethnic group native to East Asia. They constitute approximately 92% of the population of China, 95% of the population of Taiwan 76% of the citizens of Singapore, 23% of the population of Malaysia and about 18% of the entire global human population. Han Chinese are the world's largest ethnic group with over 1.3 billion people.

The dethroned emperor!