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Reformation Day

Reformation Day

Protestant religious holiday

2 min read

Why this is trending

Interest in “Reformation Day” spiked on Wikipedia on 2026-02-25.

Categorised under History, this article fits a familiar pattern. History articles often trend on anniversaries of notable events, when historical parallels are drawn in the news, or following popular media portrayals.

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2026-01-27Peak: 1332026-02-25
30-day total: 2,591

Key Takeaways

  • Reformation Day is a Protestant Christian religious holiday celebrated on 31 October in remembrance of the onset of the Reformation.
  • Historians and other experts on the subject argue that Luther may have chosen All Hallows' Eve on purpose to get the attention of common people, although that has never been proven.
  • This has been verified; it is now regarded as the start of the Reformation alongside the unconfirmed (Melanchthon appears to be the only source for that) nailing of the Ninety-five Theses/grievances to All Saints' Church's door on the same date.
  • The Roman Catholic Church recognized it only recently, and often sends its official representatives in ecumenical spirit to various commemoration events held by Protestants.
  • In addition, countries like Switzerland and Austria provide specifics in laws pertaining to Protestant churches, while not officially proclaiming it a nationwide holiday.

Reformation Day is a Protestant Christian religious holiday celebrated on 31 October in remembrance of the onset of the Reformation.

According to Philip Melanchthon, 31 October 1517 was the day Martin Luther nailed his Ninety-five Theses on the door of the All Saints' Church in Wittenberg, Electorate of Saxony, in the Holy Roman Empire. Historians and other experts on the subject argue that Luther may have chosen All Hallows' Eve on purpose to get the attention of common people, although that has never been proven. Available data suggest that 31 October was the day when Luther sent his work to Albert of Brandenburg, the Archbishop of Mainz. This has been verified; it is now regarded as the start of the Reformation alongside the unconfirmed (Melanchthon appears to be the only source for that) nailing of the Ninety-five Theses/grievances to All Saints' Church's door on the same date.

The holiday is significant for the Lutheran and Reformed Churches, although other Protestant communities also tend to commemorate the day. The Roman Catholic Church recognized it only recently, and often sends its official representatives in ecumenical spirit to various commemoration events held by Protestants. It is lawfully and officially recognized in some states of Germany and sovereign countries of Slovenia and Chile. In addition, countries like Switzerland and Austria provide specifics in laws pertaining to Protestant churches, while not officially proclaiming it a nationwide holiday.

History

In 1516–1517, Johann Tetzel, a Dominican friar and papal commissioner for indulgences, was sent to Germany to raise money to rebuild St Peter's Basilica in Rome.

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