Popes
Church Opposition
Councils
Encyclicals
Significant Periods
200

This pope served one of the shortest terms in Church history—33 days.

Who is Pope John Paul I?

200

This individual wrote the “95 Theses” and was excommunicated.

Who is Martin Luther?

200

This general council focused on confronting the need for Church reform disproving Protestants.

What is the Council of Trent?

200

This encyclical, written by Pope Leo XIII, was the first great Catholic social justice encyclical.

What is Rerum Novarum?

200

This period was a time of disease, disorder, and great change for the Church and world.

What is the late Middle Ages?

400

This pope excommunicated Martin Luther.

Who is Pope Leo X?

400

During this period, many European scientists and philosophers believed in secularization, providing strong opposition to the Church.

What is the Enlightenment?

400

This council gave American Catholics the Baltimore Catechism.

What is the Third Plenary Council?

400

This encyclical was issued in 1967 and translated to “On the development of the people.”

What is Populorum Progressio?

400

During this period, the Council of Trent let the Church answer the crisis from the Reformation.

What is the Counter-Reformation?

600

This pope called himself the “Prisoner of the Vatican.”

Who is Pope Pius IX?

600

This governing body abolished taxes collected by the Church, took Church property, and dissolved all monastic order.

What is the National Assembly?

600

This council made it so that Mass would be in the local language of the people instead of Latin.

What was the Second Vatican Council?

600

In 2003, this encyclical was published, and included information about the central place of the Eucharist in the life of the Church.

What is Ecclesia de Eucharistia?

600

Three individuals claimed to be the real Pope during this scandalous period.

What is the Great Schism of the West?

800

Which pope issued a decree suppressing the Jesuits in every Catholic country in the world.

Who is Pope Clement XIV?

800

This individual took the crown from Pope Pius VII raising tensions between the two sides.

Who is Napoleon?

800

This council was interrupted by Italian troops banning together.

What was the First Vatican Council?

800

This encyclical written in 1998 dealt with issues about faith and reasoning.

What is the Fides et Ratio?

800

This period was a time when thousands of people were killed because they were thought to be sympathetic to the king.

What was the Reign of terror?

1000

Which pope called for celibacy for Roman catholic priests, forbid lay investiture, and banned simony.

Who is Pope Gregory VII?

1000

This reformer rejected Christ in the Eucharist and replaced the Mass with a memorial service for the Last Supper.

Who is Huldrych Swingili?

1000

In 1215, Pope Innocent gathered 1200 leaders for this Ecumenical Council in Rome.

What is the Fourth Lateran Council?

1000

This encyclical described humanity’s dependence on God and divine law.

What is Veritatis Splendor?

1000

This period of conflict began when Otto von Bismarck began a program of Catholic persecution.

What is Kulturkampf?