A recent film by ICAN outlines the history of nuclear weapons and the campaign that led eventually to the establishment of the Treaty for the Prohibition of Nuclear Weapons (TPNW): https://www.youtube.com/watch?v=qzWyYuYLxlM&feature=youtu.be
The Canadian Network to Abolish Nuclear Weapons | Le Réseau canadien pour l’abolition des armes nucléaires