1909: Konstantinos Romaios, with the support of the Athens Archaeological Society, proceeds to the completion of the museum building and the creation of the exhibition.

Markelos Mitsos, the curator of the antiquities at the time, undertakes and carries out the difficult task of the repair works and the reorganization of the exhibition.

1998: The marble head of Asclepius and the relief that depicting Dionysus, Artemis and Heracles are recovered and returned to the museum.

2005: The Archaeological Museum of Tegea is integrated in the Operational Program "Culture" of the 3rd Community Support Framework (CSF).

The museum houses collections from various sites, including Neolithic and Early Bronze Age items from Agiorgitika and Asea, objects from various sites at Tegea, including the temple of Alea Athena, and Early Christian and Byzantine objects from the Episkopi Tegeas.