Any claim by Catholicism to be the Christian Church at any time in its existence is laughable!
The definition of a "Christian" is one who acts like Christ, believes what Christ believed, and teaches what Christ taught.
Christ said the primary way "Christians" would be identified would be "love for each other" and they would even love their enemies (Jn.13:34,35; Mt.5:44; 1Jn.4:20). True Christians would not kill members of their own religion in war (1Jn.3:10,15; 4:8; 2Cor.10:3-5).
But, Catholicism's historical record from its very inception is of bloodthirsty wars, immorality, sectarian violence and factional splits! (Mt.7:21-23; Gal.5:19-23). This is an imitation of Satan who characteristically promotes killing (Jn.8:44; 1Jn.3:8).
Peter De Rosa, who states that he is a "patriotic Catholic," says in his book Vicars of Christ-The Dark Side of the Papacy:
"The church was responsible for persecuting Jews, for the Inquisition, for slaughtering heretics by the thousand, for reintroducing torture into Europe as part of the judicial process. . . . Popes appointed and sacked even emperors, demanded that they impose Christianity on their subjects under the threat of torture and death. . . . The cost to the Gospel message was horrendous." The only "crime" of some who were murdered was that they possessed a Bible.
Regarding Pope Innocent III of the early 13th century, De Rosa states: "It has been reckoned that in the last and most savage persecution under Emperor Diocletian about two thousand Christians perished, worldwide. In the first vicious incident of Pope Innocent's Crusade ten times that number were slaughtered. . . . It comes as a shock to discover that, at a stroke, a pope killed far more Christians than Diocletian. . . . [Innocent] had no qualms about using Christ's name to do everything Christ objected to."
De Rosa notes that "in the pope's name, [the inquisitors] were responsible for the most savage and sustained onslaught on human decency in the history of the race." Of Dominican inquisitor Torquemada in Spain, he says: "he ruled tyrannically for fifteen years. His victims numbered over 114,000 of whom 10,220 were burned."
De Rosa concludes: "The record of the Inquisition would be embarrassing for any organization; for the Catholic church, it is devastating. . . . What history shows is that, for more than six centuries without a break, the papacy was the sworn enemy of elementary justice. Of eighty popes in a line from the thirteenth century on, not one of them disapproved of the theology and apparatus of Inquisition. On the contrary, one after another added his own cruel touches to the workings of this deadly machine. The mystery is: how could popes continue in this practical heresy for generation after generation? How could they deny at every point the Gospel of Jesus?" He answers: "Pontiffs preferred to contradict the Gospel than an 'inerrant' predecessor, for that would bring down the papacy itself."
Truly, the term "Catholic Christian" causes any thinking Christian to cringe and gives true Christianity a bad name.
Despite their claims, even Catholics cannot identify the true "church" from Christ's time to the present. By their own record they have added, taken away, and adjusted dates on their own list of popes. All throughout history their foundation has been legend, fable and fraud.
The latest list of 1947 admitted that two popes on previous lists were found to be actually nonexistent and four were really antipopes. Information was changed on 74 popes. Three new names were placed as legitimate Popes and dates were re-adjusted in a desperate attempt to maintain a clean succession.
Remember that the main argument for Catholicism being the true Christian church is that they have an unbroken line back to Peter and the first century church. But, the facts tell us that any unbroken line is pure fantasy. There were many gaps where Peter's chair was empty, where a true infallible guide could not be identified. And the testimony of "infallible" popes and councils shows the Catholic church did fall into doctrinal error–even one "infallible" pope excommunicating another "infallible" pope for heresy!
It is ludicrous to believe that Catholicism or Protestantism could represent the True Christian congregation today.
When you examine them you find that they cannot meet even the primary evidence of true Christianity. In both world wars and current conflicts people of the same religions met on battlefields and slaughtered one another. Each side claimed that God was on their side. Today Catholics continue to kill Catholics and Protestants kill Protestants, something true Christians would not do (1Jn.3:10,15; 4:8).
When you look at the Scriptural evidence you will find that ONLY Jehovah's Witnesses, as an organization, meet the requirements of being the True Christians today (Mt 7:16-20).