Alexander the Great in the Quran rhetorical type depending on the Cleitarchus tradition, and with this he amalgamated a collection of imaginary letters derived from an "Epistolary Romance of Alexander" written in the first century B.C. He also included two long letters from Alexander to his mother Olympias and his tutor Aristotle describing his marvellous adventures in India and at the end of the World. These are the literary expression of a living popular tradition and as such are the most remarkable and interesting part of the work. The Greek variants of the "Alexander romance" continued to evolve until, in the 4th century, the Greek legend
Yu the Great has been dated to about 1920 BCE. This coincides with new cultures all along the Yellow River. The water control problems after the initial flooding could plausibly have lasted for some twenty years. Wu et al. suggest that this supports the idea that the stories of Yu the Great may have originated from a historical person. Yu was long regarded as an ideal ruler and kind of philosopher-king by the ancient Chinese. Beichuan, Wenchuan, and Dujiangyan in Sichuan have all made claims to be his birthplace. Owing to his involvement in China's mythical Great Flood, Yu also came to be