Olympic Games has its roots in the ancient and mythological Greek wars. The games where everyone competes in various competitions- were actually wars- fought between Olympians and Men- like Battle of Titans. Ancient Greeks valued strength and physical fitness and annually there were Olympics held during the festivals held for Zeus. See the video below to know more about Olympics and how the wars changed into games.
https://youtu.be/aXptPLhWq_w
By:Archa