History
On This Day in History: October 31
Explore significant historical events, discoveries, and cultural moments that occurred on October 31.
1517
Ninety-five Theses
Martin Luther posts his Ninety-five Theses on the door of the Castle Church in Wittenberg.
Source: Wikipedia
Disclaimer: This data is curated for educational purposes. Please verify historical facts with primary sources for academic or formal citations.
Frequently Asked Questions
What happened on October 31?
Significant events on October 31 include Ninety-five Theses.
Where do you source the historical events for October 31?
Our historical events are curated from public domain sources like Wikipedia.
Can I see events for other dates?
Yes, you can browse our On This Day hub to find historical events for other dates throughout the year.