Year 438 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Tribunate of Macerinus, Iullus and Cincinnatus (or, less frequently, year 316 Ab urbe condita). The denomination 438 BC for this year has been used since the early medieval period, when the Anno Dominicalendar era became the prevalent method in Europe for naming years.
Three seated Goddesses (possibly Hestia, Dione and Aphrodite), from the east pediment of the Parthenon, are made (finished in 432 BC). They are now kept at The British Museum in London.
The Ionic frieze on the north side of the Parthenon, is created (finished in 432 BC). Parts of this frieze are now preserved in museums in Europe, including the Horsemen (at the British Museum, London), and the Marshals and Young Women (now at Musée du Louvre, Paris), which once formed part of the Procession on the frieze.