Aim of the course is the acquisition of the knowledge of the Western history of political thought by the students, with increasing level of depth, from the origins to contemporary age. The History of Political Thought is an heritage from which to draw interpretative tools in order to better understand our age. Moreover, it is important for the student, who is also a citizen, to acquire a critical attitude and the consciousness that no conquest in the field of justice, freedom and social life can be taken for granted, but must be defended and nourished.