ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvəntˌiːn sˈɪɾi kˈaʊnsɪlɚ, ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪtiːn vˈaɪsmˈeɪɚ, hiː wʌz ᵻlˈɛktᵻd mˈeɪɚɹ ˌɔn twˈɛnti wˈʌn mˈeɪ nˈaɪntiːnhˈʌndɹɪd nˈaɪntiːn, ðə fˈɜːst sˈoʊʃəl dˌɛməkɹˈæɾɪk mˈeɪɚɹ ɪnðə hˈɪstɚɹi ʌv vɪˈɛnə.
In 1917 city councillor, in 1918 vice-mayor, he was elected mayor on 21 May 1919, the first social democratic mayor in the history of Vienna.