may 3, 688 BC - Introduction of Boxing in the 23rd Olympiad. Fighters often braided their arms 2/3 of the way with soft leather straps called Cetus, they would often filled them with metal. The loser would usually get beaten to death .marking the first dangerous part of the sport that would later get changed to prevent deaths.
Added to timeline:
Date:
may 3, 688 BC
Now
~ 2715 years ago