Later Qin ended in 417.
Later Qin was created in 384.
Former Qin ended in 394.
Western Qin ended in 431.
In his later years, Qin Shi Huang became obsessed with becoming immortal. To this end, he congested mercury pills made for him by his court scientists. He was killed after taking too many of them.
By Qin Dynasty
The Qin Dynasty is considered to have ended in 206 BC at the hands of Liu Bang.
By Sun Yat Sin
the emperor Qin Shi Huang {pronounced:Chin Shee Huang} was very weak and fell to the emperor Chu.
it was ended because somebody kill the emperor.
Qin Shi Huangdi ended feudalism by replacing it with a government he controlled personally, he did this to avoid threats from "powerful lords"
At the age of 21, Qin Wang, later known as Qin Shi Huang, was betrayed by his own half-brother, who conspired with a rival faction. This betrayal occurred during a power struggle for the throne of the Qin state, leading to an assassination attempt against him. Despite the betrayal, Qin Wang managed to escape and eventually consolidated power, ultimately unifying China and becoming its first emperor.
SHang Early Zhov Middle Zhov Warior Qin Former Han Later Han