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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



Lived in the late sixth century B.C. Leader of one of the aristocratic groups in Athens; an opponent of Cleisthenes.

In 508, as first archon, Isagoras called on the aid of the Spartan king Cleomenes and succeeded in exiling Cleisthenes and his followers. However, Cleomenes’ attempt to abolish the Council of 500 (boule), which had been created by Cleisthenes, and to hand over power to Isagoras and his confederates provoked rebellion in Athens. Cleomenes and Isagoras fortified themselves in the Acropolis and were besieged there. Forced to capitulate, they were able to extract the condition that the Spartan troops could withdraw safely. Isagoras left Athens with Cleomenes, and Cleisthenes completed the democratic transformations that he had begun.


Zel’in, K. K. Bor’ba politicheskikh gruppirovok v Attike v VI v. do n. e. Moscow, 1964.
Hignett, C. A History of the Athenian Constitution to the End of the FifthCentury B.C. Oxford, 1962.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Ademas se registran por primera vez para el territorio colombiano las especies Isagoras proximus REDTENBACHER, Olcyphides obscurellus (REDTENBACHER) y Phanocloidea schulthessi (REDTENBACHER); se amplia el rango de distribucion para las especies Holca annulipes REDTENBACHER, Libethra nisseri STAL, Paraceroys quadrispinosus (REDTENBACHER) y los generos Acanthoclonia STAL, Globocrania HENNEMANN & CONLE, Ignacia REHN, Parobrimus SCUDDER y Phanocles STAL; y adicionalmente se realiza primer registro de localidad exacta para la especie Metriophasma (Acanthometriotes) myrsilus (WESTWOOD).
Those who stayed were perforce friends of the tyrants, as Isagoras is alleged to have been (Ath.
In 510 BC the Peisistratid tyrants were expelled from Athens, but the revolution soon resulted in a power struggle between the ruling body of nobles (aristocrats) who returned from exile led by Kleisthenes and those who had stayed behind, led by Isagoras. When Kleisthenes found that he had no hope of success with only his aristocratic faction to help him he -- as Herodotos tells us -- ~took into his faction the ordinary people (the demos)'.
|Having done this he next attempted to abolish the council (ten boulen kataluein epeirato) and tried to transfer power to a body of three hundred supporters of Isagoras.' (15.) art.
to take vengeance on the demos of the Athenians and to establish Isagoras as tyrant (5.74.1).
5.70.2), and Cleomenes followed up in person with a small band to see that Isagoras and his supporters were restored to power (ibid.