Which philosopher quested the idea of democracy

Ancient origins

Explanation:

Led by Cleisthenes, Athenians established what is generally held as the first democracy in 508–507 BC.

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )