Geographical location of the Seven Heroes in the Warring States Period:
1, Qin: Today, most of Shaanxi, eastern Gansu and a small part of Inner Mongolia, and later its influence extended to Sichuan, Guizhou, Hubei, Hunan, Henan and Shanxi. Finally, the other six countries were destroyed and China was unified. Capital: Xianyang (now Xianyang, Xi, Shaanxi).
2. Qi: Today, most of Shandong, southeastern Hebei, northern Jiangsu and a small part of Henan. Capital: Linzi (now northeast of Zibo).
3. Chu State: Hubei, most of Hunan, Anhui, Jiangxi, Jiangsu, Zhejiang, southern Henan and a small part of Guizhou. Capital: Ying (now Jiangling, Hubei, later moved to Shouchun, now Shouxian, Anhui).
4. Yan State: a small part of northern Hebei, western Liaoning and Inner Mongolia. Capital: Ji (now Beijing).
Zhao: Today, most parts of Shanxi, central and western Hebei, parts of Henan and parts of Inner Mongolia. Capital: Originally Jinyang (now southwest of Taiyuan, Shanxi), then moved to Handan (now Handan, Hebei).
6. Guo Wei: Today, most of Henan and southeastern Shaanxi. Capital: First Anyi (Yuwangcheng, northwest of Xia County, Shanxi Province), then moved to Daliang (now Kaifeng, Henan Province).
7. South Korea: Central Henan and Southwest Shanxi. Capital: Originally in Yangzhai (now Yuzhou, Xuchang, Henan Province), it moved to Xinzheng (now Zhengzhou, Henan Province) after the destruction of Zheng.
The order of the demise of the Seven Xiongs and Six Kingdoms in the Warring States Period is Jingle.
Homophonic memory: Han Zhaowei, Chu Yanqi (Qi).
Orientation memory: according to the geographical location of the six eastern countries, destroy the middle three countries, namely Korea, Zhao and Wei (between the north and the south), and then destroy the other three countries, namely Chu and Yanqi (between the north and the south).