Every four years
both are/were held every 4 years, or as the ancient Greeks called it, every olympiad
the Olympics were originally held every four years when the Greeks created it , ( just as it is now )
Every fourth summer.
every year
The Ancient Greeks often traveled to get advice from the Oracle at Delphi. The actual oracle herself was known as the Pythia.
They do it every 4 years.
No, ancient Greeks did not have bathhouses. The Greeks did bathe however in large tubs that were often heated by coals.
Each city had temples for the gods.
Every four years at the Temple of Zeus at Olympia in Elis.
The most common way for ancient Greeks to travel was by foot or by sea. They often walked or used boats to get from place to place.
Every 4 years.
Every twelve years