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
All Hallows-by-the-Tower All Hallows-by-the-Tower All Hallows-by-the-Tower, also previously dedicated to St Mary the Virgin and sometimes known as All Hallows Barking, is an ancient Anglican church on Byward Street in the City of London, overlooking the Tower of London. Founded in 675, it is one of the oldest churches in London, and contains inside a 7th-century Anglo-Saxon arch with recycled Roman tiles, the oldest surviving piece of church fabric in the city. All Hallows-by-the-Tower was first established in 675 by the Anglo-Saxon Abbey at Barking and was for many years named after the abbey, as All Hallows Barking. The church was built