On this day - October 31

Here are a few notable events in history that have taken place on October 31:

1. 1517: Martin Luther, a German monk and theologian, is said to have nailed his Ninety-Five Theses to the door of the All Saints' Church in Wittenberg, Germany. This event is considered a catalyst for the Protestant Reformation.

2. 1864: Nevada becomes the 36th state of the United States.

3. 1922: The tomb of Tutankhamun, an Egyptian pharaoh, is discovered by archaeologist Howard Carter in the Valley of the Kings.

4. 1941: The Mount Rushmore National Memorial in South Dakota is completed after 14 years of construction.

5. 1956: The Suez Crisis begins when Israel invades Egypt's Sinai Peninsula, prompting military intervention by the United Kingdom and France.

6. 1994: The European Union (EU) is established with the entry into force of the Maastricht Treaty.

7. 2000: Soyuz TM-31 launches from the Baikonur Cosmodrome in Kazakhstan, carrying the first crew to live aboard the International Space Station (ISS).

8. 2011: The global population reaches 7 billion people, according to estimates by the United Nations.

These are just a few examples of events that occurred on October 31 throughout history.

Source: Some or all of the content was generated using an AI language model