The oldest text in a Cushitic language probably dates from around 1770; written orthographies were only developed for a select number of Cushitic languages in early 20th century.
ðɪ ˈoʊldɪst tˈɛkst ɪn ɐ kʊʃˈɪɾɪk lˈæŋɡwɪdʒ pɹˈɑːbəbli dˈeɪts fɹʌm ɚɹˈaʊnd wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd sˈɛvənti; ɹˈɪʔn̩ ɔːɹθˈɑːɡɹəfiz wɜːɹ ˈoʊnli dɪvˈɛləpt fɚɹə sᵻlˈɛkt nˈʌmbɚɹ ʌv kʊʃˈɪɾɪk lˈæŋɡwɪdʒᵻz ɪn ˈɜːli twˈɛntiəθ sˈɛntʃɚɹi.