The Greeks started measuring time in Olympiads, or the interval between each Olympic Games, in 776 BC, which is when the first written records of the official Games appeared. In honor of the god Zeus, the first Olympic Games were held every four years. From that point on, a variety of artistic events, including poetry, song, dance, and theater, were arranged for the Pythian or Delphic Games, which were held separately from the Olympian Games and thereby...