Eucleides was archon of Athens 403-402 BC. During his year of office, the murderous oligarchy of the Thirty Tyrants was driven out of Athens, and the Athenian democracy re-established. As part of this, the Athenians accepted a spelling reform, adopting the Ionian alphabet, which included eta and omega. ... Athens (Greek: Αθήνα Athína IPA ) is the capital of Greece and one of the most famous cities in the world, named after goddess Athena. ... Centuries: 6th century BC - 5th century BC - 4th century BC Decades: 450s BC 440s BC 430s BC 420s BC 410s BC - 400s BC - 390s BC 380s BC 370s BC 360s BC 350s BC Years: 408 BC 407 BC 406 BC 405 BC 404 BC - 403 BC - 402 BC 401 BC... Centuries: 6th century BC - 5th century BC - 4th century BC Decades: 450s BC 440s BC 430s BC 420s BC 410s BC - 400s BC - 390s BC 380s BC 370s BC 360s BC 350s BC Years: 407 BC 406 BC 405 BC 404 BC 403 BC - 402 BC - 401 BC 400 BC... Oligarchy is a political regime where most or all political power effectively rests with a small segment of society (typically the most powerful, whether by wealth, family, military strength, ruthlessness, or political influence). ... The Thirty Tyrants were a pro-Spartan oligarchy installed in Athens after Athens defeat in the Peloponnesian War in April 404 BC. Its two leading members were Tharamenes and Critias, a former acolyte of Socrates. ... The speakers platform in the Pnyx, the meeting ground of the assembly where all the great political struggles of Athens were fought during the Golden Age. Here Athenian statesmen stood to speak, such as Pericles and Aristides in the 5th century BC and Demosthenes and Aeschines in the 4th... The factual accuracy of this article is disputed. ... {otheruses}} An alphabet is a complete standardiaed set of letters — basic written symbols — each of which roughly represents a phoneme of a spoken language, either as it exists now or as it may have been in the past. ... For other uses, see Eta. ... Omega (Ω ω) is the 24th and last letter of the Greek alphabet. ...

There are inscriptions from Athens which used Ionian spelling before it was offical, and others which continued to use the old Attic spelling after it was repudiated.