Time Line: 1998
- beatification of Blessed Alojzije Stepinac
- beatification of Blessed Anton Maria Schwartz
- beatification of Blessed Brigida of Jesus
- beatification of Blessed Mary Restituta Kafka
- beatification of Blessed Teresa Bracco
- beatification of Blessed Teresa Grillo Michel
- beatification of Blessed Vincent Eugene Bossilkoff
- beatification of Saint Antonio of Saint Anne
- beatification of Saint María Maravillas de Jesús
- beatification of Saint Theodore Guerin
- canonization of Saint Teresa Benedicta of the Cross
- Pope John Paul II visits Communist Cuba
- declaration of Blessed Andrea Giacinto Longhin as Venerable
- declaration of Blessed Arcangelo Tadini as Venerable
- declaration of Blessed Manuel Gonzalez Garcia as Venerable
- declaration of Blessed Celestine of the Mother of God as Venerable
- declaration of Saint Ambrosio Ferro as Venerable
- declaration of Alberto Capellan Zuazo as Venerable
- declaration of Anastasius Hartmann as Venerable
- elevation of the archdiocese of Camagüey, Cuba
- elevation of the archdiocese of Coro, Venezuela
- elevation of the archdiocese of Taunggyi, Myanmar
- elevation of the diocese of Montelibano, Colombia
- elevation of the diocese of Tibú, Colombia
- founding of the diocese of Banfora, Burkina Faso
- founding of the diocese of Bettiah, India
- founding of the diocese of Criciúma, Santa Catarina, Brazil
- founding of the diocese of Goré, Chad
- founding of the diocese of Guantánamo-Baracoa, Cuba
- founding of the diocese of Itapetininga, Sao Paulo, Brazil
- founding of the diocese of Kannur, India
- founding of the diocese of Kitale, Kenya
- founding of the diocese of Lai, Chad
- founding of the diocese of Ourinhos, Sao Paulo, Brazil
- founding of the diocese of Puntarenas, Costa Rica
- founding of the diocese of Purnea, India
- founding of the diocese of Vasai, India
- founding of the vicariate apostolic of Francistown, Botswana
