1900 BCE: First evidence of settlement at Olympia.

776 BCE: First athletic games in honour of Zeus are held at Olympia with one event, the stadion foot race.

724 BCE: The diaulos foot-race (two lengths of the stadium) is added to the schedule of the Olympic Games.

720 BCE: The dolichos foot-race is added to the schedule of the Olympic Games and is won by Akanthos of Sparta.

720 BCE: Orsippos is the first athlete to discard his loincloth at the Olympic Games, establishing the convention for athletes to compete naked.

708 BCE: Wrestling and the pentathlon are added to the schedule of the Olympic Games.

688 BCE: Boxing is added to the schedule of the Olympic Games.

680 BCE: Chariot races are added to the schedule of the Olympic Games which are extended to two days for the first time.

680 BCE: The tethrippon (four-horse chariot race) is added to the schedule of the Olympic Games.

650 BCE - 600 BCE: Heraion, temple dedicated to Hera built at Olympia.

648 BCE: The Pankration (a mix of wrestling and boxing) is added to the schedule of the Olympic Games.

632 BCE: Events for boys are added to the schedule of the Olympic Games which are extended to three days for the first time.

532 BCE: Milon of Kroton wins the first of five consecutive wrestling competitions at the Olympic Games.

521 BCE: Phanas of Pellene wins the stadion, diaulos and race in armour in the same Olympic Games.

520 BCE: The hoplitodromos (a foot-race in hoplite armour is added to the schedule of the Olympic Games.

488 BCE: Runner Astylos of Kroton wins the first of his six victories over three Olympic Games.

488 BCE: Kroton of Magna Graecia wins the first of three consecutive stadion races in the Olympic Games.

460 BCE - 457 BCE: Temple of Zeus is built at Olympia with a statue of Apollo dominating the west pediment and containing the cult statue of Zeus by Phidias.

460 BCE: The west pediment of the Temple of Zeus at Olympia is decorated with a Centauromachy of centaurs fighting Lapiths at the wedding of Peirithoos.

457 BCE: Metopes on the Temple of Zeus at Olympia depict the twelve labours of Hercules.

430 BCE: The cult statue of Zeus by Phidias is dedicated in the Temple of Zeus, Olympia. It is one of the Seven Wonders of the Ancient World.

424 BCE - 420 BCE: The Nike of Paionios is erected at Olympia to commemorate the Messenian and Naupaktian victory over Sparta at the battle of Sphakteria.

420 BCE: Sparta is excluded from the Olympic Games for breaking the ekecheiria or sacred truce.

416 BCE: Alcibiades wins three chariot races at the Olympic Games.

408 BCE: The synoris (two-horse chariot race) was added to the schedule of the Olympic Games.

396 BCE: Competitions for heralds and trumpeters were added to the schedule of the Olympic Games.

392 BCE: The horse owner Kyniska becomes the first woman to win a victor's crown at the Olympic Games.

356 BCE: Philip II of Macedon wins the horse race at the Olympic Games.

352 BCE: Philip II of Macedon wins the chariot race at the Olympic Games and retains the crown in 348 BCE.

338 BCE: Philippeion built at Olympia by Philip II of Macedonia.

328 BCE: Herodoros of Megara wins the first of ten consecutive trumpet competitions at the Olympic Games.

164 BCE: Leonidas of Rhodes wins the first of his 12 Olympic crowns in runnning events in four successive Olymic Games.

72 BCE: Gaius becomes the first Roman victor at the Olympic Games.

17 CE: Roman emperor Tiberius is victorious at the Olympic Games.

67 CE: Emperor Nero competes at the panhellenic Games of Olympia and Delphi.

81 CE: Hermogenes of Xanthos wins the first of his 8 Olympic running crowns over three consecutive Olympic Games.

150 CE: Nymphaion fountain of Herodes Atticus built at Olympia.

261 CE: The list of victors running back to 776 BCE ends for the Olympic Games.

393 CE: Roman Emperor Theodosius definitively ends all pagan Games in Greece.

426 CE: Emperor Theodosios II orders the destruction of Olympia.

522 CE - 551 CE: Earthquakes destroy many of the buildings at Olympia.