The Olympic games were believe to have been held to honor the Greek gods, one in particular named Zeus. The Olympic games began about 3,000 years ago and the first record game was in 776 BC. The games were held every 4 years in Olympia, Greece.
The olympics started in greek in the year of 1896. Studies say that there are not a lot of answers to why and how but there is a great answer above or underneath IDK my answer. And hope this answer helps you.