Explanation:
1 The Great Schism split the main faction of Christianity into two divisions , Roman Catholic and Eastern Orthodox . Today , they remain the two largest denominations of Christianity . On July 16 , 1054 , Patriarch of Constantinople Michael Cerularius was
excommunicated from the Christian church based in Rome , Italy.Apr
2 A religious war or a war of religion , sometimes also known as a holy war , is a war which is primarily caused or justified by differences in religion . In the modern period , there are frequent debates over the extent to which religious , economic , ethnic or other aspects of a conflict are predominant in a given war
3 The Crusades were a series of religious wars initiated , supported , and sometimes directed by the Latin Church in the medieval period . The best known of these Crusades are those to the Holy Land in the period between 1095 and 1291 that were intended to recover Jerusalem and its surrounding area from Islamic rule .
4 The Protestant Reformation was a religious reform movement that swept through Europe in the 1500s . It resulted in the creation of a branch of Christianity called Protestantism , a name used collectively to refer to the many religious groups that separated from the Roman Catholic Church due to differences in doctrine .