Welcome to the ultimate challenge! If you think you know everything about Christianity , this is your chance to prove it. Take the quiz below to test your knowledge, and don’t forget to share your score when you finish!
Results
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#1. Which Protestant reformer is best known for his work ‘Institutes of the Christian Religion’ and as the father of the Reformed or Presbyterian tradition?
John Calvin was a major French theologian during the Protestant Reformation. He published his primary work, Institutes of the Christian Religion, in 1536 to explain Protestant beliefs clearly. Operating mainly in Geneva, Calvin introduced a form of church government that heavily influenced the development of Presbyterianism. His focus on the absolute sovereignty of God and predestination helped shape the theological framework for Reformed traditions globally.
#2. What is the term for the collection of books included in the Catholic and Orthodox Old Testament canons but generally omitted from Protestant Bibles?
The term deuterocanon refers to specific Old Testament books found in the Greek Septuagint but absent from the Hebrew Masoretic Text. These writings include works like Tobit, Judith, and First and Second Maccabees. Catholic and Eastern Orthodox traditions consider them inspired scripture, while Protestant denominations usually classify them as apocrypha. This divergence largely stems from debates during the Reformation regarding biblical canon and original linguistic sources.
#3. Which Greek title, meaning ‘God-bearer,’ was formally affirmed at the Council of Ephesus in 431 AD and remains central to Catholic and Eastern Orthodox devotion to Mary?
Theotokos is a Greek term used to designate the Virgin Mary as the Mother of God. The Council of Ephesus established this title in 431 AD to resolve theological disputes concerning the nature of Jesus Christ. By affirming Mary as God-bearer, the Church declared that Jesus is simultaneously fully divine and fully human. This doctrine remains a fundamental pillar of faith within liturgical Christian traditions today.
#4. Which landmark 1960s council of the Roman Catholic Church initiated major reforms, including the use of local languages instead of Latin during the liturgy?
The Second Vatican Council, or Vatican II, convened between 1962 and 1965 to address the relationship between the Roman Catholic Church and the modern world. Beyond liturgical changes like the move from Latin to local languages, the council promoted ecumenism and redefined the role of laypeople. These landmark reforms aimed to update church practices, a process known as aggiornamento, to better engage contemporary society globally.
#5. Which of the three major branches of Christianity traditionally uses the Julian calendar to calculate the date of Easter, often resulting in a different date than the others?
The Eastern Orthodox Church follows the older Julian calendar for religious holidays. Most Western churches transitioned to the Gregorian calendar in 1582. Because the Julian system currently lags thirteen days behind the modern calendar, Orthodox Easter usually falls later. This calculation also requires that the holiday occurs after the Jewish Passover, adhering to traditional early Christian religious rules and solar cycles.
#6. In contrast to Catholic and Orthodox practice, which 16th-century Protestant movement rejected infant baptism, insisting it only be performed on adult believers?
Anabaptism emerged during the sixteenth-century Radical Reformation, distinguishing itself from mainstream Protestantism by advocating for believer’s baptism. Proponents argued that the rite should only be performed on consenting adults who could profess their personal faith. This rejected the traditional practice of infant baptism common in Catholic and Orthodox traditions. Today, modern groups like the Mennonites and Amish trace their theological origins to this movement.
#7. Which Protestant doctrine asserts that the Bible is the sole infallible source of authority for Christian faith and practice, in contrast to Catholic and Orthodox views?
Sola Scriptura is a Latin phrase meaning by scripture alone. This theological principle became a central tenet of the sixteenth-century Protestant Reformation. It asserts that the Bible serves as the primary and infallible source of religious truth. Unlike Roman Catholic and Eastern Orthodox traditions, which also value church history and oral tradition, proponents of this doctrine believe scripture remains the final authority for Christian practice.
#8. Which Catholic dogma, also celebrated as the ‘Dormition’ in Eastern Orthodoxy, asserts that Mary was taken body and soul into heavenly glory at the end of her life?
The Assumption of Mary is a core Catholic belief formally defined by Pope Pius XII in 1950. It holds that Mary, having completed her earthly life, was taken into heaven physically and spiritually. In Eastern Orthodoxy, this event is called the Dormition, which translates to falling asleep. While Catholics emphasize the glorification, Orthodox traditions often focus on her peaceful death prior to being taken up.
#9. Which concept, accepted by Catholics and Orthodox but rejected by most Protestants, refers to the transmission of spiritual authority through an unbroken line of bishops?
Apostolic Succession is the doctrine that spiritual authority flows through a continuous chain of bishops originating with the twelve apostles. While central to the Roman Catholic and Eastern Orthodox faiths, many Protestant denominations prioritize adherence to biblical teachings over physical lineage. This concept emphasizes the preservation of original Christian doctrine and provides a framework for legitimizing the ordination of clergy within traditional hierarchical church structures.
#10. Founded by Ignatius of Loyola in 1540, which Catholic religious order was established to support the Pope and counter the spread of the Protestant Reformation?
The Society of Jesus, or Jesuits, is a Roman Catholic religious order officially approved by Pope Paul III in 1540. It became a central force in the Counter-Reformation, emphasizing rigorous education and missionary work across newly explored lands. Members take a special vow of obedience to the Pope, focusing on intellectual development and public service to help establish educational institutions worldwide.
#11. Defined during the First Vatican Council in 1870, what dogma states the Pope is preserved from error when teaching ‘ex cathedra’ on faith or morals?
Papal infallibility was formally defined at the First Vatican Council in 1870 under Pope Pius IX. This Catholic dogma asserts that the Pope is protected from error when speaking ex cathedra, or from the chair, to define doctrines regarding faith and morals. It is applied specifically to formal declarations and does not suggest that the Pope is personally sinless or infallible in his private opinions.
#12. In which year did the Great Schism occur, formally dividing the Christian church into Eastern Orthodox and Roman Catholic branches?
The Great Schism of 1054 marked the formal split between the Roman Catholic Church and the Eastern Orthodox Church. Tensions had grown for centuries over the power of the Pope and disagreements regarding religious beliefs. These disputes culminated when leaders officially excluded each other from their respective churches, creating a permanent division that still defines the Christian world to this day.
#13. Commissioned in 1604 and published in 1611, which Bible translation became the authorized version for the Church of England and much of the Protestant world?
The King James Version was commissioned by King James I of England to address concerns raised by Puritans during the Hampton Court Conference. Completed by forty-seven scholars, it aimed to provide a definitive translation for public worship. Since its release in 1611, this version has significantly shaped the English language and literature, remaining a central liturgical text for many Protestant denominations worldwide today.
#14. In Eastern Orthodox church architecture, what is the name of the wall of icons and religious paintings that separates the nave from the sanctuary?
An iconostasis is a physical barrier in Eastern Orthodox churches that separates the nave, where the congregation stands, from the sanctuary. This wall features several tiers of sacred paintings called icons. It serves as a symbolic boundary between the earthly and heavenly realms during worship. The structure typically features three doors, with the central Royal Doors reserved for clergy during the Divine Liturgy.
#15. Which Latin phrase, a fundamental doctrine of the Protestant Reformation, asserts that believers are justified and saved through faith alone, rather than by good works?
Sola fide translates to by faith alone and represents a core theological principle of the Protestant Reformation. Emerging in the sixteenth century, this doctrine suggests that divine forgiveness is received only through faith rather than human deeds. Martin Luther championed this idea to emphasize reliance on spiritual grace. It remains a primary distinction between Protestant denominations and the traditions of the Roman Catholic Church today.
#16. In the Nicene Creed, the addition of which Latin phrase meaning “and from the Son” was a primary theological cause of the split between the Catholic and Orthodox churches?
The Filioque clause describes the procession of the Holy Spirit from the Father and the Son. Western churches added it to the Nicene Creed to affirm the divinity of Jesus. However, Eastern Orthodox leaders rejected this unilateral addition because it changed the original text established by early ecumenical councils. This theological disagreement significantly contributed to the Great Schism of 1054.
#17. In Eastern Orthodoxy, the Archbishop of Constantinople is known by which title, signifying his status as first among equals among bishops?
The Ecumenical Patriarch serves as the spiritual leader of the Eastern Orthodox Church. Although he is regarded as the first among equals, this title grants him honorary seniority rather than administrative authority over other national churches. Based in modern Istanbul, the office dates back to the fourth century. His role involves fostering unity and representing the global community of independent Orthodox jurisdictions.
#18. What is the Catholic theological term for the belief that the bread and wine used in the Eucharist become the actual body and blood of Christ?
Transubstantiation is a doctrine defined during the Fourth Lateran Council in 1215 and reaffirmed by the Council of Trent. It posits that the underlying substance of bread and wine changes into the body and blood of Jesus Christ during the Mass. While the outward physical properties, known as accidents, remain the same, the inward reality is transformed. This concept is central to Roman Catholic sacramental theology.
#19. While most Protestant denominations recognize only two sacraments, how many are traditionally recognized by the Catholic and Orthodox churches?
The Catholic and Orthodox traditions recognize seven sacraments including baptism, confirmation, the eucharist, penance, anointing of the sick, holy orders, and matrimony. These rituals are considered formal channels of divine grace. In contrast, many Protestant denominations identify only baptism and the eucharist as sacraments because they are explicitly mentioned in the Gospels as being established by Jesus during his earthly ministry.
#20. Which 16th-century council represented the Catholic Church’s definitive Counter-Reformation response to Protestantism?
Held in northern Italy between 1545 and 1563, the Council of Trent was the formal Roman Catholic response to the challenges raised by the Protestant Reformation. This assembly addressed ecclesiastical corruption and clarified vital doctrines, including the nature of salvation and the authority of the biblical canon. It fundamentally shaped modern Catholicism by standardizing religious practices and emphasizing church discipline for centuries to follow.
#21. In 1517, Martin Luther initiated the Protestant Reformation by posting which document to the door of the Castle Church in Wittenberg?
Martin Luther authored the 95 Theses primarily to challenge the Catholic Church’s sale of indulgences, which were payments made to reduce punishment for sins. By pinning this list to the church door, he sparked a theological debate that eventually fractured Western Christianity. This act shifted religious authority toward the Bible rather than the papacy, fundamentally altering the political and cultural landscape of Europe.