Ionic order Ionian dialect was spoken. The Ionic order column was being practiced in mainland Greece in the 5th century BC. It was most popular in the Archaic Period (750–480 BC) in Ionia. The first of the great Ionic temples was the Temple of Hera on Samos, built about 570–560 BC by the architect Rhoikos. It stood for only a decade before it was leveled by an earthquake. A longer-lasting 6th century Ionic temple was the Temple of Artemis at Ephesus, one of the Seven Wonders of the Ancient World. The Parthenon, although it conforms mainly to the Doric order, also has
Tatton Hall design, also with seven bays, and it has a pedimented porch with two columns. The east front has five bays with Corinthian pilasters on a slightly projecting plinth and an entablature above. The family wing has seven bays. The south front has a Tuscan colonnade on the lower storey and an Ionic colonnade, verandah and balustrade above. Not all of the rooms are open to the public. The major rooms which are open are described below. The Entrance Hall is in three bays. It is decorated in neoclassical style with a marble floor, red porphyry Ionic columns and a geometric