Which ancient civilization divided members between two classes, patricians and peasants

In ancient Rome, its citizens were divided into two classes, Patricians and Peasants.

Explanation:

Patricians consisted of upper-class wealthy people whereas peasants consisted of all the remaining citizens. though patricians were small number of people they 'held all the power'. All remaining citizens were considered peasants which consisted labors, farmers, soldiers etc. Patricians held all the government as well as religious positions in Rome. To be a part of patrician class you had to be born a patrician. Generally, patricians and peasants did not coalesce socially.