History
The Protestant Reformation Explained

A concise overview of the 16th-century movement that split Western Christianity and reshaped European religion, politics, and society forever.
What is it?
The Protestant Reformation was a major 16th-century religious, political, and cultural upheaval that splintered Catholic Europe, leading to the creation of Protestantism. It is generally considered to have begun in 1517 when German monk Martin Luther published his "Ninety-five Theses," a document protesting the Catholic Church's sale of indulgences (reprieves from penance). Key reformers like Luther, John Calvin, and Huldrych Zwingli challenged the Pope's authority and questioned the Church's ability to define Christian practice. They argued for a return to the principles of the Bible as the sole source of spiritual authority and believed that salvation was attainable through faith alone, not by good works or purchases. This movement led to the establishment of new Christian denominations such as Lutheranism, Calvinism, and Anglicanism.
Why is it trending?
The Reformation was fueled by widespread dissatisfaction with the corruption and wealth of the Catholic Church. The invention of the printing press was a critical catalyst, allowing for the rapid dissemination of reformers' ideas and vernacular translations of the Bible. For the first time, ordinary people could read scripture for themselves, leading to personal interpretations of the Christian message. Political leaders, eager to reduce the power and wealth of the Church, supported the movement, leading to a redistribution of religious and political power into the hands of pastors and princes. This convergence of religious conviction, political ambition, and new technology created a perfect storm that permanently changed the course of Western history.
How does it affect people?
The Reformation profoundly reshaped society. It triggered decades of religious wars and persecutions across Europe, including the devastating Thirty Years' War. However, it also had lasting positive effects. The emphasis on reading the Bible in one's own language spurred a dramatic increase in literacy and education throughout Europe. The movement championed ideas of individualism and personal conscience, which laid the intellectual groundwork for the Enlightenment and the development of modern democracy, civil rights, and capitalism. It ended the religious unity of Western Europe, creating a landscape of diverse Christian denominations that persists to this day and fundamentally altered the relationship between church, state, and the individual.