When was Gilgamesh created?

he born in 2700 BC and he also died in 2620 BC in uruk

For a start, we have no conclusive evidence that Gilgamesh even existed. Scholars feel that, on the balance of probability, that he may have been a historical king of Uruk around 2700 BCE. We have no reliable information about his date of birth or the year in which he died.