Why is this place, Guangxi, an autonomous region?

I. Guangxi has been a traditional province throughout history:

China I*** has 34 first-level administrative divisions, or provincial-level administrative divisions, which are 23 provinces, 4 municipalities directly under the central government, 5 autonomous regions, and 2 special administrative regions. Among them, what I usually call Guangxi, i.e. Guangxi Zhuang Autonomous Region, is one of the 5 provincial autonomous regions in China. Unbeknownst to me, Guangxi has actually been historically? Province? to come, the early days of New China is Guangxi Province, the Republic of China is Guangxi Province, the Qing Dynasty is Guangxi Province. Except for 1965, when Guangxi Province was renamed as Guangxi Zhuang Autonomous Region (GZAR). Guangxi Zhuang Autonomous Region? This period of history so far, Guangxi and Guangdong in the two regions in the history of the same are classified as the same? province?

II. Guangxi is one of the eighteen provinces in the traditional Han Chinese land:

And Guangxi is also one of the eighteen provinces in the traditional Han Chinese land, and in the traditional perception of Chinese history, Guangxi has not only been the ? province? , but also has been one of the major Han Chinese settlement areas. Guangxi is one of the eighteen Han provinces, including Jiangsu, Zhejiang, Anhui, Jiangxi, Hubei, Hunan, Sichuan, Fujian, Guangdong, Guangxi, Yunnan, Guizhou, Hebei, Henan, Shandong, Shanxi, Shaanxi, and Gansu. Of course, in the traditional eighteen Han provinces, Sichuan includes Chongqing; Fujian includes Taiwan; Guangdong includes Hainan, Hong Kong, and Macau; Hebei includes Beijing and Tianjin; and Gansu includes Ningxia.

III. Han is the largest hereditary ethnic group in Guangxi, accounting for more than 60%:

Guangxi since it is called the Guangxi Zhuang Autonomous Region, then many people will certainly be based on this to think that Guangxi is the largest population of Zhuang, the largest hereditary ethnic group in Guangxi is the Zhuang. There are 12 hereditary ethnic groups in Guangxi I***, which are Han, Zhuang, Yao, Miao, Dong, Maonan, Mulao, Gelao, Hui, Jing, Yi and Shui.

The most populous hereditary ethnic group is not the Zhuang but the Han, with a population of about 28 million Han in Guangxi, accounting for about 60% of the total population of Guangxi; a population of about 14.82 million Zhuang in Guangxi, accounting for about 33% of the total population of Guangxi; and a population of about 1.35 million Yao in Guangxi, accounting for about 3% of the total population of Guangxi.