International audienceViolence has a long history in Chad. In the eighteenth and nineteenth centuries, the societies of the south suffered from raids launched by the Muslim empire-states of Kanem-Borno, Baguirmi, Ouaddai and Darfur (today in Sudan) in order to capture slaves (Azevedo, 1978 and 1982). Moreover, wars between slave kingdoms were frequent and ‘endless’ (Reyna, 1990)