October 31

The thirty-first day of October.
*October 31 is Halloween. Although the name comes from the Christian holiday of All Hallow's Eve (the night before All Hallow's Day or All Saints' Day), many Christians see a pagan element in popular celebrations of Halloween.
==Events==
* Reformation Day
* 1517: Martin Luther posts the 95 Theses on the door of the Castle Church in Wittenberg, Germany.
* 1731: Archbishop Leopold von Firmianhe, Catholic ruler of Salzburg, Austria, issued an edict expelling as many as 20,000 Lutherans from his principality.
* 1992: Pope John Paul II apologizes for the 1633 heresy trial against Galileo Galilei.
* 1999: The Lutheran World Federation and the Roman Catholic Church sign the Joint Declaration on the Doctrine of Justification in Augsburg, Germany.
==Feast days==
* Apostle Narcissus (Eastern Christianity).
* Apostle Stachys (Eastern Christianity).
* All Hallow's Eve, also known as All Saint's Eve.
* Apostle Aristobulus
Category:October