The second half of the 20th century was marked with many kinds of political, religious, societal and environmental events. Artists are as concerned as their eldest with this period; their involvement is above all individualistic. We will not deal with the second part of this thematic with a chronological rhythm but in the light of concepts like the question of identity, measures to tackle inequality, social movements, freedom of speech, etc. These issues will be illustrated with accounts of the downward slides of a world suffering mark loss.