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 Staining church in East End of London, All Hallows, Bow. St Olave Hart Street was badly damaged by bombs in 1941, during the Second World War. Between 1948 and 1954, when the restored St Olave's was reopened, a prefabricated church stood on the site of All Hallows Staining. This was known as St Olave Mark Lane. The tower of All Hallows Staining was used as the chancel of the temporary church. The tower is maintained by the Worshipful Company of Clothworkers, one of the livery companies of the City of London. In 1957 the Clothworkers' Company built a church hall for