When was the bombing for which The Balmoral Furniture Company bombing was thought to be a retaliation for?
1971 Balmoral Furniture Company bombing:  It is widely believed that the bombing was carried out by members of the Provisional Irish Republican Army (IRA) in retaliation for the bombing of McGurk's pub a week earlier, which killed 15 Catholic civilians. McGurk's Bar bombing: On 4 December 1971, the Ulster Volunteer Force (UVF), an Ulster loyalist paramilitary group, detonated a bomb at McGurk's Bar in Belfast, Northern Ireland.
i don't know