During the Conflict of the Orders the plebs fought for more rights. In this fight one of the most consequential peaces of legislation was written. The Twelve Tables defined Roman law for centuries to come. It also shaped the whole of western legal traditions.

Sources:
Livy, “From the Founding of the City, Book 3”
Anthony Everitt, “The Rise of Rome”
Arthur Edward Romilly, “A History of Rome to 565 A. D.”
Mike Duncan, "The History of Rome"

Links:
Twitter:   / magistravitaeyt