Input (grade 9): Knock's notability derives from the Apparition of 1879, when, at 8.00 PM on 21 August 1879, it was reported that the Virgin Mary, together with St Joseph and St John the Evangelist, appeared to local people.
Output (grade 12): At 8.00 PM on 21 August 1879, it was reported that the Virgin Mary, together with St Joseph and St John the Evangelist, appeared to local people.