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*the [[Orthodox Church]] (approx. 300 million baptized members) which holds ancient theological roots stretching back to the beginnings of Christianity itself. The Orthodox Church finally broke from the Roman Catholic Church after the [[Pope]], during the Fourth [[The Crusades|Crusade]], had Constantinople captured,  sacked and plundered, including  both the city itself, and the [[Church of Holy Wisdom]] . Many valuable [[holy relics]], riches, and numerous other items were stolen by Roman Catholics.

*the [[Orthodox Church]] (approx. 300 million baptized members) which holds ancient theological roots stretching back to the beginnings of Christianity itself. The Orthodox Church finally broke from the Roman Catholic Church after the [[Pope]], during the Fourth [[The Crusades|Crusade]], had Constantinople captured,  sacked and plundered, including  both the city itself, and the [[Church of Holy Wisdom]] . Many valuable [[holy relics]], riches, and numerous other items were stolen by Roman Catholics.

* [[Protestant]]ism, the largest Communion being the Anglicans (approx. 77 million baptized members). Protestantism has its origins in the [[European]] [[Reformation]] and its rejection of the [[doctrine]]s and what it viewed as [[malpractice]]s within the Roman Catholic Church. Those included the teaching and sale of [[indulgences]], the buying and selling of church positions and the systemic [[corruption]], devotion to [[Mary]] and the [[saints]] rather than inward devotion to [[faith]] and [[God]], and rejection of the [[authority]] of the Pope on the basis that the only true authority is the [[Bible]].  

* [[Protestant]]ism, the largest Communion being the Anglicans (approx. 77 million baptized members). Protestantism has its origins in the European Reformation. It first broke away from the Roman Catholic Church under Martin Luther when differences over the nature of faith and works in the role of salvation could not be adequately reconciled as well as other practices that Luther saw in the Catholic Church at that time that he did not agree with. Other preachers and movements then followed Luther's example and also left the Catholic fold.

== Christian beliefs ==

== Christian beliefs ==