This can't be answered with any degree of accuracy.
Some will say 4000 BCE, determined by following biblical genealogies. Some might say 90,000 BCE, the oldest known homosapien fossils . Other will cite a DNA analysis that indicates 150, 000 BCE, and still others will tell you that Adam wasn't created that he evolved from a prehistoric hominid, or even that he never existed.
The year god created Adam,Eve .
Adam Air was created in 2003.
Adam Susan was created in 1982.
Black Adam was created in 1945.
Adam Dalgliesh was created in 1962.
Adam Internet was created in 1992.
Adam Cameron was created in 1989.
Song for Adam was created in 1972.
Adam Warlock was created in 1972.
Adam in Chains was created in 1992.
Adam Carrington was created in 1982.
Adam of the Road was created in 1943.