Ka cika wannan jumla: Theramenes mutum ne mai muhimmanci a abubuwa huɗu na tarihin Athens. Ya bayyana a fagen a cikin 411 BC a matsayin daya daga cikin shugabannin juyin mulkin oligarchic, amma, kamar yadda ra'ayoyinsa da na sauran shugabannin juyin mulkin suka bambanta, ya fara adawa da umarnin su kuma ya jagoranci maye gurbin kunkuntar oligarchy da suka sanya tare da wanda ya fi fadi. Ya yi aiki a matsayin janar na shekaru da yawa bayan wannan, amma ba a sake zabarsa zuwa wannan ofishin a 407 BC ba. Bayan yakin Arginusae, wanda ya yi aiki a matsayin mai mulki, an ba shi aikin ceton ma'aikatan jirgin ruwa na Atheniya daga nutsewar jiragen ruwa, amma an hana shi yin hakan ta hanyar hadari. Wannan lamarin ya haifar da babban tashin hankali a Athens, wanda Theramenes ya kori kansa daga alhakin ceton da ya kasa; jayayya ta ƙare da kashe manyan janar guda shida waɗanda suka yi umurni a wannan yaƙin. Bayan da Athenian shan kashi a
Aegospotami a cikin 405 BC, Theramenes ya shirya sharuddan da Athens ta mika wuya ga Sparta. Daga nan sai ya zama memba na karamar gwamnatin oligarchic, wanda aka sani da Tirsanta talatin, wanda Sparta ta sanya wa abokin hamayyarta da aka ci nasara. Kamar yadda ya yi a cikin 411 BC, Theramenes ba da daɗewa ba ya shiga rikici tare da mafi tsananin membobin wannan gwamnatin; zanga-zangar da ya yi game da mulkin ta'addanci da talatin suka aiwatar ya sa manyan oligarchs suka shirya mutuwarsa; an yi masa zargin a gaban majalisar oligarchic, sannan kuma, lokacin da wannan jikin ya nuna rashin yarda ya hukunta shi, ya buge shi daga jerin 'yan ƙasa kuma ya kashe shi ba tare da shari'a ba.