* UnderDi thebawah leadership ofpimpinan [[Pericles]], [[Athens]] introducesmemperkenalkan asatu seriessiri of measureslangkah (the "[[MegarianDekri decreeMegara]]") imposingyang anmengenakan economicsekatan embargoekonomi onke atas [[Megara]] forkerana violationsmencemari oftanah landyang sacredsuci tokepada dewi [[Demeter]]. Menurut Accordingperuntukan-peruntukan todekri the provisions of the decreeini, Megarianpedagang-pedagang merchants are to be excludedMegara fromtidak theboleh marketmenyertai ofpasaran Athens andatau themasuk portske indalam itspelabuhan-pelabuhan empireempayarnya. ThisPengharaman banini stranglesmencengkam theekonomi MegarianMegara economydan andmembahayakan strainskeamanan theyang fragilemudah peaceterjejas betweenantara Athens anddan [[Sparta]], whichisyang alliedbersekutu withdengan Megara.
* Philip, brother ofadik [[Perdiccas II ofdari Macedon]], challengesmencabar Perdiccas foruntuk the thronetakhta, anddan enlistsmendapatkan thebantuan support ofdaripada [[Athens]] anddan KingRaja Derdas ofdari Elimea. Perdiccas respondsmembalas bydengan stirringmemulakan uppemberontakan-pemberontakan rebelliondi insebilangan akota numberyang of Athenianmembayar [[tributeufti]] citieskepada Athens, includingtermasuk [[Potidaea]].
* [[Anaxagoras]] isditangkap arrestedoleh bypenentang-penentang politik Pericles'politicalatas opponentstuduhan onmenyalahi adogma-dogma chargeagama ofAthens contraveningyang thesudah establishedmantap, dogmasdan ofmemerlukan Atheniankebolehan religion.berpidato dan It needspujukan Pericles'poweruntuk ofmemperoleh [[oratory]] and persuasion to secure his releasepembebasannya. Walaupun Even so he isbegitu, finedbeliau anddidenda forceddan todipaksa retireberedar fromdari Athens toke [[Lampsacus]] indi [[Ionia]].
