Cleisthenes, a noble born Athenian politician, is largely credited with helping the Athenians embrace a new system of government known as democracy. Prior to this political system, the city-state was governed by a system where the noble-born minority ruled the majority. The people of Athens protested and dethroned the old ways.
Now referred to as the Father of Athenian Democracy, Cleisthenes, a nobleman himself, watched the revolution with interest. He would eventually help the Athenian citizens embrace a new form of government. Here’s more information about this Ancient Greek politician: