From its small beginning and official launch in 1992, Williams and the ICBL dramatically achieved the campaign's goal of an international treaty banning antipersonnel landmines during a diplomatic conference held in Oslo in September 1997.
Fra en beskeden begyndelse i 1992 fik Williams og ICBL stor gennemslagskraft i retning af at opnå kampagnens mål om at få indgået en international aftale om at forbyde antipersonelminer, vedtaget på en kongres i Oslo i 1997.