Heresies and Councils
Important Church Figures
The Great Schism
Church Influence on Society
Key Terms and Concepts
100

This term describes a belief that goes against the established teachings of the Church.

What is heresy?

100

This Church Father is known for his writings on original sin and grace.

Who is Saint Augustine of Hippo?

100

 This term refers to the split between the Eastern Orthodox and Roman Catholic Churches in 1054.

What is the Great Schism?

100

Charlemagne promoted education and Christianity across Europe during this historical period

What is the Middle Ages?

100

This term describes a formal separation within the Church, like the Great Schism.

What is a schism?

200

This Ecumenical Council addressed the heresy of Arianism and affirmed Jesus' divinity.

What is the Council of Nicaea?

200

He strengthened the role of the papacy and defended the belief in Jesus' two natures at the Council of Chalcedon.

Who is Saint Leo the Great?

200

Disagreements over the authority of this Church leader contributed to the Great Schism.

Who is the Pope?

200

This term describes the union of Church and State under Christian rulers.

What is Christendom?

200

This term refers to the set of Church laws and regulations that govern its structure and members

What is Canon Law?

300

The Council of Chalcedon declared that Jesus has these two natures.

What are fully divine and fully human?

300

 Known for sending missionaries, this Pope helped spread Christianity across Europe.

Who is Pope Gregory the Great?

300

The Great Schism was partly due to differences in the language used for worship. The Eastern Church used Greek, and the Western Church used this language.

What is Latin?

300

Pope Gregory the Great sent missionaries to England, including this missionary to Canterbury

Who is Augustine of Canterbury?

300

Natural law is a philosophy that suggests certain rights are inherent due to this

What is human nature?

400

This early heresy claimed that only certain people were worthy of receiving the sacraments, which Saint Augustine fought against.

What is Donatism?

400

He was crowned Emperor of the Romans in 800 AD and promoted education, law, and Christian values in his empire.

Who is Charlemagne?

400

This Eastern Church leader met with Pope Paul VI in 1964 to work toward reconciliation.

Who is Patriarch Athenagoras I?

400

Charlemagne’s efforts helped create this legal framework within the Church that guides its members.

What is Canon Law?

400

These early Christian theologians, such as Saint Augustine, are known for shaping Church teachings.

Who are the Fathers of the Church?

500

 This heresy, which claimed humans could achieve salvation without God’s grace, was opposed by Saint Augustine.

What is Pelagianism?

500

He was a 4th-century theologian who greatly influenced Church teachings on salvation and fought heresies.

Who is Saint Augustine of Hippo?

500

During the Great Schism, one major disagreement was over this kind of bread used for the Eucharist.

What is leavened (or unleavened) bread?

500

The story of this legendary hero shows a mix of Christian and pagan values, symbolizing the spread of Christianity in medieval Europe.

Who is Beowulf?

500

This religious image, often found in the Eastern Orthodox Church, is used to aid in prayer.

What is an icon?

M
e
n
u