The Protestant Reformation was a complex event with many contributing factors. The rise of humanism, the printing press, and the sale of indulgences all played a role in the movement.

Martin Luther was the central figure in the Protestant Reformation. He was a German monk who challenged the authority of the Catholic Church and its teachings.

Protestants and Catholics disagreed on a number of theological issues, including the role of faith in salvation, the nature of the Eucharist, and the authority of the Bible.

The Protestant Reformation had a profound impact on European society. It led to religious wars, a decline in the power of the Catholic Church, and the rise of new nation-states.

Wittenberg, Geneva, and Zurich were all major centers of the Protestant Reformation. These cities were home to some of the most important Protestant reformers, including Martin Luther, John Calvin, and Ulrich Zwingli.

The Ninety-Five Theses was a document that Martin Luther wrote in 1517 that criticized the Catholic Church's teachings on indulgences. This document sparked the Protestant Reformation.

The Peace of Westphalia was a series of peace treaties that ended the Thirty Years' War in 1648. These treaties established the principle of cuius regio, eius religio, which allowed each German prince to choose the religion of his territory.

Lutheranism, Calvinism, and Anabaptism were all major Protestant denominations that emerged during the Reformation. These denominations differed from each other in their beliefs and practices.

The Council of Trent was a Catholic Council that was convened in response to the Protestant Reformation. This Council met from 1545 to 1563 and issued a number of decrees that reaffirmed Catholic doctrine and condemned Protestant teachings.

Ignatius of Loyola, Teresa of Avila, and Francis Xavier were all major Catholic saints who lived during the Reformation. These saints played an important role in the Catholic Church's response to the Protestant Reformation.

The Counter-Reformation, the Catholic Reformation, and the Tridentine Reformation were all names for the movement within the Catholic Church that sought to reform the Church from within. This movement was a response to the Protestant Reformation and aimed to address the abuses and corruption that had led to the Reformation.

The rise of Protestantism, the growth of secularism, and the decline of the feudal system all contributed to the decline of the Catholic Church's power in Europe during the Reformation.

Henry VIII was the English king who broke with the Catholic Church and established the Church of England. He did this in order to divorce his first wife, Catherine of Aragon, and marry Anne Boleyn.

Thomas Cranmer, Hugh Latimer, and Nicholas Ridley were all major Protestant reformers in England. These men played a key role in the establishment of the Church of England.

The Act of Supremacy was the document that established the Church of England. This document declared the king to be the supreme head of the Church of England and gave him the authority to appoint bishops and other church officials.