<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.michezo ya olimpiki ilifanyika kila miaka ya 4 wakati wote wa classical, kutoka karne ya 8th bc hadi 4th century ad.  <response>: the games were held every four years from the 8th century bc until the 4th century ad. 