Question: The 1994 Shankill Road killings took place on 16 June 1994, the Loughinisland massacre, is believed to have been a further retaliation, it took place on which date, in the small village of Loughinisland, County Down, Northern Ireland? 
Sentence (from "Loughinisland massacre"): The Loughinisland massacre took place on 18 June 1994 in the small village of Loughinisland, County Down, Northern Ireland.
Relevant evidence: Yes