The Spring and Autumn Period (770 BC ~ 476 BC) had the Five Overlords of the Spring and Autumn Period (Qi Huan Gong, Jin Wengong, Song Xianggong, Qin Mugong, and Chu Zhuang King); the Warring States Period (475 BC ~ 221 BC) Years), there were seven heroes of the Warring States Period (Qi, Chu, Yan, Han, Zhao, Wei, Qin), all belonging to a period in the Eastern Zhou Dynasty.
The Spring and Autumn Period got its name because Lu State historians reported on the various countries at that time The major events of the Spring and Autumn Period were recorded by year, season, month and day, and were named "Spring and Autumn". Confucius compiled and revised the "Spring and Autumn" compiled by the historians of the State of Lu, and it became one of the Confucian classics. This book records the events of Cong Lu Yin The history of the Eastern Zhou Dynasty (722 BC) to the 14th year of Duke Ai of Lu (481 BC). For the sake of convenience, modern scholars generally start from the founding of the Eastern Zhou Dynasty in the first year of King Ping of Zhou (770 BC) to the 43rd year of King Jing of Zhou ( 477 BC), a total of 295 years, known as the "Spring and Autumn Period".
The Warring States Period was named after Liu Xiang's "Warring States Policy" of the Han Dynasty. Historically, 475 BC (the first year of King Zhou Yuan) from the beginning of the "Chronology of the Six Kingdoms" in "Historical Records" to 221 BC (the 26th year of the Qin Dynasty when Qin destroyed Qi and unified the six kingdoms), there were 255 years in total, called Warring States Period.
Before the Spring and Autumn Period, it was the Western Zhou Dynasty, and after the Warring States Period, it was the Qin Dynasty.