870-81 Restoration of the Sistine Chapel
882-4 1st Centenary of Encyclical "Rerum
Novarum"
885-7 1st Centenary of Founding of Vatican Observatory
888-9 6th Centenary of Canonization of St. Brigid
890-4 Journeys of John Paul II in 1990
897A Synod of European Bishops