ɪn mˈɑːɹtʃ wˈʌn θˈaʊzənd wˈʌnhˈʌndɹɪd sˈɛvənti nˈaɪn, hiː tˈʊk pˈɑːɹt ɪnðə θˈɜːd lˈæɾɚɹən kˈaʊnsəl, wˌɪtʃ ɹᵻvˈɜːst ˈɔːl ðɪ ˈækts ʌv pˈæʃəl ɹˌoʊmən θɹˈiː.
In March 1179, he took part in the Third Lateran Council, which reversed all the acts of Paschal III.