Reformation Day offers a theological reason for its observance of Reformation Day, stating that: Alongside Reformation Day, many Protestant Churches observe All Hallow's Eve on October 31, the vigil of All Saint's Day. Reformation Day Reformation Day is a Protestant Christian religious holiday celebrated on 31 October, alongside All Hallows' Eve (Halloween) during the triduum of Allhallowtide, in remembrance of the onset of the Reformation. According to Philip Melanchthon, 31 October 1517 was the day German monk 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
Hallow Halloween and Hallowmas. Halloween (or "Hallowe'en") is a shortened form of "All Hallow Even," meaning "All Hallows' Eve" or "All Saints' Eve." Hallowmas, the day after Halloween, is shortened from "Hallows' Mass," and is also known as "All Hallows' Day" or "All Saints' Day." Some important and powerful objects in legends could be referred to as "hallows" because of their function and symbolism. The Tuatha de Danaan in Ireland possessed the Four Treasures of Ireland which could be interpreted as "hallows": the Spear of Lugh, Stone of Fal, the Sword of Light of Nuada, and The Dagda's Cauldron. In the