jˈækɑːb ɹˈuːmən θˈɜːɾi wˈʌn dᵻsˈɛmbɚ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti θɹˈiː ɪn vɪˈɛnə twˈɛnti nˈaɪn dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd twˈɛnti fˈaɪv ɪn klˈeɪdʒənfˌɜːt wʌz ɐn ˈɔːstɹiən sˈoʊʃəl dˌɛməkɹˈæɾɪk pˌɑːlɪtˈɪʃən ænd ðə fˈɜːst sˈoʊʃəl dˌɛməkɹˈæɾɪk mˈeɪɚɹ ʌv vɪˈɛnə fɹʌm nˈaɪntiːnhˈʌndɹɪd nˈaɪntiːn tə nˈaɪntiːnhˈʌndɹɪd twˈɛnti θɹˈiː.
Jakob Reumann (31 December 1853 in Vienna – 29 July 1925 in Klagenfurt) was an Austrian Social Democratic politician and the first social democratic mayor of Vienna from 1919 to 1923.