The latest psalm is probably (137), a song of lament clearly written during the days when the Hebrews were being held captive by the Babylonians, from about 586 to 538 B.C.
Zaburi ya nyuma kabisa pengine ni(137), wimbo wa kuomboleza ulioandikwa wazi wakati wa siku ambazo Waebrania walikuwa wameshikwa mateka na Wababeli, tangia 586-538 kk