 "Following the trials, the Genocide Convention was adopted in 1948, criminalizing the Nazis' attempt to exterminate European Jewry.The Geneva Conventions were elaborated in 1949, codifying the laws of war.But crimes against humanity- one of the most revolutionary and important elements of the Nuremberg Charter itself - were never set out in a treaty until the adoption of the International Criminal Court Statute in the summer of 1998.