Finally, Christian became important religion in Rome in 312 A.D. As it developed it became divided into many sects. The reform of religion and the division of the Roman Catholic in the sixteenth century of Europe called Reformation. Protestant refused to accept the authority of the Pope, insisted on having religious services in their own native languages instead of in Latin. And he also confirmed that their priests should be allowed to marry. Until the 1960s, It also does not allow priests to marry. Many modern English novels are involve with the religious problems of both Roman Catholic and Protestant Christians.