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
Priory of All Hallows Priory of All Hallows The Priory of All Hallows (or Priory of All Saints) was a monastic foundation just outside Dublin, Ireland. All Hallows was founded in 1166 by Diarmait Mac Murchada shortly before his deposition as by King of Leinster. It was situated east of the walled city in an area known as "Hoggin Green" or "Hogges Green" or "Le Hogges". It was an Araosian (Augustinian) foundation, with canons regular. The priory was one of the most important, and over time became one of the wealthiest, religious establishments in the vicinity of Dublin, along with the Priory of St