<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa lugha.mnamo mwaka wa 1870, kikundi kidogo kilichokuwa pittsburgh allegheny, pennsylvania, marekani, kilianza kuchunguza maandiko.  <response>: ngaleso sikhathi, iqembu elincane labafundi bebhayibheli elalihlala ngasepittsburgh, epennsylvania, e-united states, laqala ukuhlola ngokucophelela ibhayibheli. 