 | 2028 | 2029 | 2030 |  |
Date | Commemoration | Type | Anniversary |
| 01.09 | Birth of Pope Gregory XV (1554) | Pope | 475 years |
| 01.21 | Lifting of excommunication for 4 Bishops of SSPX (2009) | Church Event | 20 years |
| 02.06 | Founding of the first diocese in the Philippines (1579) | Church Event | 450 years |
| 02.10 | Death of Pope Leo XII (1829) | Pope | 200 years |
| 02.10 | Death of Pope Pius XI (1939) | Pope | 90 years |
| 02.11 | Signing of the Lateran Treaty, Establishment of the State of Vatican City (1929) | Church Event | 100 years |
| 03.02 | Election of Pope Pius XII (1939) | Pope | 90 years |
| 03.05 | Opening of the Third Council of Lateran (1179) | Ecumenical Council | 850 years |
| 03.12 | Coronation of Pope Pius XII (1939) | Pope | 90 years |
| 03.14 | Establishment of the Catholic hierarchy in Namibia (1994) | Church Event | 35 years |
| 03.19 | Closing of the Third Council of Lateran (1179) | Ecumenical Council | 850 years |
| 03.25 | Consecration of Russia and the world to the Immaculate Heart of Mary (1984) | Church Event | 45 years |
| 03.31 | Election of Pope Pius VIII (1829) | Pope | 200 years |
| 04.11 | Establishment of the International Theological Commission (1969) | Church Event | 60 years |
| 04.15 | Fire at the Cathedral of Notre Dame of Paris (2019) | World Event | 10 years |
| 04.25 | Establishment of the Catholic hierarchy in Malawi and Zambia (1959) | Church Event | 70 years |
| 05.07 | End of Battle of Điện Biên Phủ in Vietnam (1954) | World Event | 75 years |
| 05.08 | Establishment of the Sacred Congregation for the Causes of Saints (1969) | Church Event | 60 years |
| 06.04 | Tiananmen Square Massacre (1989) | World Event | 40 years |
| 06.29 | Encyclical Caritas in Veritate (2009) | Papal Document | 20 years |
| 07.20 | First Man on the Moon (1969) | World Event | 60 years |
| 08.10 | Sacerdotal Ordination of Pope John XXIII (1904) | Pope | 125 years |
| 08.21 | Apparition of Our Lady of Knock (1879) | Marian Apparition | 150 years |
| 09.01 | Beginning of World War II (1939) | World Event | 90 years |
| 09.13 | Dedication of Italy To the Immaculate Heart of Mary (1959) | Church Event | 70 years |
| 10.01 | Founding of the People's Republic of China (1949) | World Event | 80 years |
| 10.24 | Beginning of the Wall Street Crash of 1929 (1929) | World Event | 100 years |
| 11.04 | Apostolic Constitution Anglicanorum cœtibus (2009) | Papal Document | 20 years |
| 11.09 | Fall of Berlin Wall (1989) | World Event | 40 years |
| 11.10 | Establishment of the Catholic hierarchy in Burundi and Rwanda (1959) | Church Event | 70 years |
| 11.20 | Dedication of Basilica of the National Shrine of the Immaculate Conception (1959) | Church Event | 70 years |
| 11.21 | Birth of Pope Benedict XV (1854) | Pope | 175 years |
| 11.28 | Last Apparition of Our Lady of Kibeho (1989) | Marian Apparition | 40 years |
| 12.08 | Definition of the Dogma of the Immaculate Conception (1854) | Church Event | 175 years |
| 12.08 | Reconsecration of altar of Cathedral of Notre Dame of Paris (2024) | Church Event | 5 years |
| 12.09 | Death of Archbishop Fulton Sheen (1979) | Person | 50 years |
| 12.10 | Consecration of Basilica of St. Paul outside the Walls (1854) | Church Event | 175 years |
| 12.12 | Episcopal consecration of Pope Paul VI (1954) | Pope | 75 years |
| 12.13 | Sacerdotal Ordination of Jorge Bergoglio (1969) | Pope | 60 years |
| 12.14 | Death of Mélanie Calvat of La Salette (1904) | Person | 125 years |
| 12.20 | Sacerdotal Ordination of Pope Pius XI (1879) | Pope | 150 years |
| 12.25 | Solemn Convocation of the Second Vatican Council (1959) | Ecumenical Council | 70 years |
| 12.26 | Indian Ocean earthquake and Indonesian tsunami (2004) | World Event | 25 years |
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