Reformation Day - October 31
Fri, Oct 31, 2025

Reformation Day

Reformation Day is observed annually on October 31 and commemorates the beginning of the Protestant Reformation. The day marks the anniversary of Martin Luther’s publication of the Ninety-five Theses in 1517, an event that transformed Christianity and had a lasting influence on religion, politics, education, and European history. While it falls on the same date as Halloween, the two observances are unrelated.

History of Reformation Day

Reformation Day commemorates October 31, 1517, when German theologian Martin Luther is traditionally believed to have posted his Ninety-five Theses on the door of the Castle Church in Wittenberg. His document criticized the sale of indulgences and called for theological debate about Church practices.

Luther’s ideas spread rapidly with the help of the printing press and inspired a religious movement that became known as the Protestant Reformation. Over time, the movement led to the formation of numerous Protestant denominations and significant religious and political changes across Europe.

Today, Reformation Day is officially observed in several countries and regions, particularly in Germany and among Lutheran, Reformed, and other Protestant churches around the world. Many congregations hold worship services, educational programs, and community events to reflect on the Reformation’s historical and spiritual significance.

Interesting Facts About Reformation Day

  • Reformation Day commemorates the publication of Martin Luther’s Ninety-five Theses in 1517.
  • The term “Protestant” originated from the Protestation at Speyer in 1529.
  • Martin Luther translated the Bible into German, making Scripture more accessible to ordinary people.
  • The printing press played a major role in spreading Reformation ideas across Europe.
  • Reformation Day is a public holiday in several German states.

How Reformation Day Is Observed

People observe Reformation Day by attending church services, reading about the history of the Protestant Reformation, and participating in educational lectures, concerts, or community events. Some schools and churches organize discussions about Martin Luther’s life, the impact of the Reformation, and its continuing influence on Christianity and society.

When Is Reformation Day in 2026?

Reformation Day is observed on October 31 each year.

Observations

Weekday Month Day Year
Saturday October 31 2026
Sunday October 31 2027
Tuesday October 31 2028
Wednesday October 31 2029

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