Mewtwo's Massacre (jan 1, 980 BC – jan 1, 976 BC)
Description:
The Cult of Authority is mysteriously instructed to research DNA technology (think modern CRISPR), but for a specific gene. This is the M2 gene. Cloning already exists because of the M2 arms race.
Added to timeline:
Date:
jan 1, 980 BC
jan 1, 976 BC
~ 4 years