A woman uses a hand missal in Swahili during a Mass in Kenya. (CNS Photo/Nancy Wiechec)
A woman uses a hand missal printed in Swahili during Mass at a Catholic church in Nairobi, Kenya, earlier this year. Even as Latin became the language of the church, several popes between the 14th and 18th centuries granted missionaries permission to celebrate Mass in local languages. (CNS photo/Nancy Wiechec) (Sept. 1, 2011) See MISSAL-HISTORY Sept. 1, 2011.