What is the reason why Qin Shihuang was called the first emperor through the ages?

Qin Shihuang was called the first emperor through the ages because he unified the six countries and established the Qin Dynasty.

Qin Shihuang (the third day of the twelfth lunar month in 259 BC-265438 BC+00 BC), also known as (Zheng) and, or Zulong, the son of Wang Xiang of Qin Zhuang. China is a famous politician, strategist and reformer in history, the first iron-fisted politician to complete the reunification of China, and the first monarch known as the emperor at all times and in all countries.

Qin Shihuang was born in Handan, the capital of Zhao, and spent his youth here. In the first 247 years, 13 was king. In the first 238 years, at the age of 22, he held an adult coronation ceremony in Yongcheng, the old capital, and began to "govern the country personally", getting rid of Lv Buwei, Lao Ai and others, and reusing Li Si and Liao Wei. From 230 to 22 1 year, Korea, Zhao, Wei, Chu, Yan and Qi were destroyed successively, and the great cause of reunifying China was completed at the age of 39.