It is said that the greeting card people Hallmark invented ‘Mother’s Day’ and ‘Father’s Day’ as a money-spinner. Seems like they never thought of the possibilities of a ‘Grandparent’s Day’ though. The first-ever National Grandparents Pilgrimage will take place on Saturday, September 22nd, at Knock Shrine, Co. Mayo this year. The unique event was inspired by a similar event that has been taking place in England at the National Shrine of our Lady of Walsingham for the past four years. The historic event will see grandparents from all over the country converge on Our Lady’s Shrine on Saturday, September 22nd….