The Urban Revolution (1970) constitutes the core of Henri Lefebvre's (1901-1991) 'urban moment'. The text, which announces the replacement of the industrial world by the urban world that we are witnessing today, finds on the other hand in the principle of 'the urban' las seeds of the radical transformation of the social space imposed by late capitalism proposed by names such as D. Harvey, E. Soja or N. Brenner.