In 393 (or 392 BC) he was sent to Tiribazus, satrap of Sardis, to undermine the friendly relations then existing between Athens and Persia, offering to recognize Persian claims to the whole of Asia Minor.
The Athenians sent an embassy under Conon to counteract his efforts. Tiribazus, who was favourable to Sparta, threw Conon into prison, but Artaxerxes II (Mnemon) disapproved and recalled his satrap.
In 388 Antalcidas, then commander of the navy went to the active assistance of Persia against Athens. The success of his naval operations in the neighbourhood of the Hellespont was such that Athens was glad to accept terms of peace (the "Peace of Antalcidas"), by which:
A final mission to Persia, probably in 367, was a failure, and Antaicidas, deeply chagrined and fearful of the consequences, is said to have starved himself death.
This entry was originally from the 1911 Encyclopedia Britannica.