both are/were held every 4 years, or as the ancient Greeks called it, every olympiad
every year
Every four years at the Temple of Zeus at Olympia in Elis.
They do it every 4 years.
Every twelve years
Only at Olympia.
it was held in ancient Greece in Olympus
every 4 years just like now.
the first ancient Olympics where head in grease
1873
Answer: Greece
none