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when did the catholic church stop using latin
The Catholic Church discontinued all Latin by 1969.
why did the catholic church stop using latin
Latin was abandoned by local churches. The pontifical universities in Rome stopped teaching in Latin in 1967. This decision dried up the small pool of priests who could speak Latin
what is the vatican II
Second Vatican Council or Vatican II, is the 21st ecumenical council of the Roman Catholic Church announced by Pope John XXIII as a means of spiritual renewal for the church.

Question: who is the pope
Self-contained rewrite: who is pope john XXIII