From 2500 B.C. to A.D. 1912.
At around this time, acupuncture was started to relieve pain or treat various illnesses.
Hanfeizi created Legalism, and according to him, "the nature of men is evil. His goodness is aquired."
Shi Huangdi had brutal methods but he ushered in China's Classical Age- when China set patterns in government, philosphy, religion, science, and the arts that serve as framework for later cultures.
Gao Zu was an illiterate peasant leader who defeated rival armies.
Wudi took China to new heights when he strengthened the government and economy.
Missionaries and merchants had spread Mahayana Buddhism from India into China, and they slowly began to accept the foreign religion.
A handbook of behavior written by Ban Zhao carefully spells out the proper behavior for women and men.
Civil Service differed from dynasty to dynasty, but it put men trained in Confucian thought at every level of government and created an enduring system of values.
For about this time, China had been united, but when ambitious warlords attacked, China once again split into separate kingdoms.