<prompt> Bolela tlokotsi e etsahetseng lekholong la bo20 la lilemo.nan  <response>: Instruction in English: Name a tragedy that occurred in the 20th century. . Response in English: One tragic event that occurred in the 20th century was the Holocaust, a genocide during World War II, in which six million Jews as well as millions of others who were considered undesirable including Romani people, disabled individuals, homosexuals, and political dissidents were systematically murdered by the Nazi regime and its collaborators. . Response in Sesotho: Ketsahalo e ngoe e bohloko e ileng ea etsahala lekholong la bo20 la lilemo ke Polao e Sehlōhō, e leng polao e ileng ea timetsoa nakong ea Ntoa ea II ea Lefatše, eo ho eona Bajuda ba limilione tse tšeletseng hammoho le ba bang ba limilione ba neng ba nkoa e le ba sa rateheng ho akarelletsa le batho ba Roma, batho ba holofetseng, basodoma le bahanyetsi ba lipolotiki. ba ile ba bolaoa ke puso ea Bonazi le batšehetsi ba eona. 