From Worldwidemarianprocession.com:
Join in unity across the world to honour the Sacred Heart of Jesus and the Immaculate Heart of Mary.
Location: Derry, North of Ireland • Church approval: Yes • Key focus: Eucharistic Procession with Holy Mass & Adoration to honour Sacred Heart of Jesus & Immaculate Heart of Mary. Marian Shrines already signed up: Knock Shrine Fatima, Lourdes Shrine, La Salette Shrine, Garabandal, La Chapelle-Montligeon, Pelleovoisin Shrine, Beauraing Shrine, Belgium, Sister Lucia’s Convent, Portugal, St Anthony’s Santa Cruz Chapel, Portugal, and many more convents and monasteries worldwide.