Cleisthenes was an Athenian statesman known as the 'Father of Athenian Democracy' due to his pivotal reforms that laid the foundations for the democratic system in Athens during the late 6th century BCE. His introduction of new political structures, including the reorganization of citizen groups and the establishment of the Council of Five Hundred, shifted power from aristocratic families to the wider citizenry, enabling a more participatory governance that characterized the Golden Age of Athens.
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