Several autocephalous (ecclesiastically independent) Eastern Orthodox churches follow canonical rites derived from the original Byzantine rite. The number of these churches has varied in history but has included the Church of Constantinople (Istanbul), the Church of Alexandria (Egypt), the Church of...
For example, it was only in the twentieth century that the Orthodox in the Ukraine first replaced Church Slavonic with Ukrainian in the liturgy and that Uniates (Greek or Ukrainian Catholics) introduced mandatory celibacy in some dioceses. The conservatism of the churches makes it possible to ...