Namuhla umhlaba wonke ubungata lelilanga lekukhuluma ngetandla, iInternational Day of Sign Languages.  I-World Federation of the Deaf itsi kunebantfu labangeva etindlebeni labangetulu kwetigidzi letingu-70 emhlabeni wonkhe. Kukhuluma kabanti ngalelilanga, simeme Onica Mabaso longulomunye wabotoliki lebakhuluma ngetandla.