translate English to French: The violations, which were committed particularly in the 1970s, 1980s and 1990s, included the enforced disappearance of hundreds of individuals, many of whom were feared to have died in custody while detained on political charges.
Parmi ces agissements, perpétrés notamment dans les années 1970, 1980 et 1990, figuraient la disparition forcée de plusieurs centaines de personnes dont beaucoup, incarcérées pour des motifs politiques, sont probablement mortes en détention.