What does BC15th century mean? Is the legend of the Yellow Emperor and Yan Di earlier in China? Which dynasty was China in the 5th century BC?

BC15th century is one hundred years before the birth of Jesus.

The legend of Emperor Yanhuang dates back about 5,000 years, which is earlier than the first fifteenth century, from the first thirty to the twenty-fifth century.

The first five centuries were the middle of the Eastern Zhou Dynasty in China, which coincided with the end of the Spring and Autumn Period, and the Warring States began to meet in history.

14 century ago, ancient Egypt 18 dynasty perished. The most famous Pharaoh of this dynasty was Tutankhamun, who claimed that the tomb was cursed. Egypt was ruled by foreign countries several times in history, but it was not until the 30th dynasty that the native king of ancient Egypt died. Since then, the 3 1 dynasty under Persian rule has become the last dynasty in ancient Egypt. With Alexander the Great's eastward expedition,

Ancient Rome depends on whether you are talking about the kingdom era, the * * * era or the imperial era.

The kingdom of ancient Rome existed from 753 BC to 509 BC, and it ended after the last king of the Takvin dynasty, the arrogant king Lucius Tarquini superbus, was driven out of Rome by the Roman people, and ancient Rome entered the era of * * *. The Roman Republic existed from 509 BC to 27 BC. Octavian, the adopted son and nephew of Caesar, the Roman consul for life, became Augustus and died after establishing the empire. In 27 BC, the Roman Empire entered the stage of history. In 395 AD, it split into the Eastern Roman Empire and the Western Roman Empire. In 476, the Western Roman Empire perished, ending the traditional Roman Empire. However, the Eastern Roman Empire still stood in the world, maintaining and promoting the ancient Roman civilization. It was not until 1453 that the Ottoman Turks conquered Constantinople that the Eastern Roman Empire was completely destroyed.