Kōgen is regarded by historians as a "legendary emperor".

Where was the legendary emperor?

Each of the legendary emperors of Chinese prehistory was a heavenly ruler, who drove through the sky with fire-breathing dragons and lived for 18,000 terrestrial years.

Itoku is regarded by historians as a "legendary emperor" and there is a paucity of information about him.

Sujin is regarded by historians as a "legendary emperor" and the paucity of material information about him makes difficult any further verification and study.

The hero of this series is king Vikramaditya, the legendary emperor of Ujjain, India.

Bharata was a legendary emperor of India, and is referred to in Hindu and Jain theology.

The legendary first emperor of Japan, Emperor Jimmu, is always depicted carrying a bow.

He is one of the six legendary emperors known as "Shat Chakravarthis".

She purportedly was an ancestress of Emperor Jimmu, Japan's legendary first emperor.