<P> The term Latin Mass refers to the liturgy of the Roman Catholic Mass celebrated in Latin . </P> <P> The term "Latin Mass" is frequently used to denote the Tridentine Mass, that is, the Roman - Rite liturgy of the Mass celebrated in Latin and in accordance with the successive editions of the Roman Missal published between 1570 and 1962 . </P> <P> In most countries, the Tridentine Mass was celebrated only in Latin . However, there are exceptions . In early seventeenth - century China, Jesuit missionaries secured permission from Pope Paul V to celebrate the Catholic Mass in Chinese, as part and parcel of the Jesuits' general effort to adapt their work to the local Chinese cultural norms and conditions . In Dalmatia and parts of Istria, the liturgy was celebrated in Church Slavonic, and authorization for use of this language was extended to some other Slavic regions between 1886 and 1935 . There, "Tridentine Mass" was not synonymous with "Latin Mass". </P>

When did the catholic church stop using latin mass