This, the twentieth ecumenical council of the Catholic Church, held three centuries after the Council of Trent, opened on 8 December 1869 and adjourned on 20 October 1870.
Ovaj dvadeseti ekumenski sabor Rimokatoličke Crkve, održan tri veka posle Tridentskog sabora, otvoren je 8. decembra 1869. godine, a prekinut je 20. oktobra 1870.