Date | Commemoration | Type | Anniversary |
| 01.21 | Death of Vladimir Lenin (1924) | Person | 100 years |
| 02.02 | Birth of Pope Benedict XIII (1649) | Pope | 375 years |
| 02.02 | Establishment of the Pontifical Commission for Social Communications (1964) | Church Event | 60 years |
| 02.06 | Earthquake in Turkiye (2023) | World Event | 1 year |
| 02.13 | Birth of Pope Alexander VII (1599) | Pope | 425 years |
| 02.15 | Destruction of the Abbey of Monte Cassino (1944) | Church Event | 80 years |
| 03.07 | Death of Pope Innocent XIII (1724) | Pope | 300 years |
| 03.14 | Establishment of the Catholic hierarchy in Namibia (1994) | Church Event | 30 years |
| 03.25 | Consecration of Russia and the world to the Immaculate Heart of Mary (1984) | Church Event | 40 years |
| 04.02 | Sacerdotal Ordination of Pope Pius XII (1899) | Pope | 125 years |
| 04.07 | Beginning of the Rwandan Genocide (1994) | World Event | 30 years |
| 04.15 | Fire at the Cathedral of Notre Dame of Paris (2019) | World Event | 5 years |
| 04.25 | Carnation Revolution in Lisbon (1974) | World Event | 50 years |
| 05.06 | Birth of Pope Innocent X (1574) | Pope | 450 years |
| 05.07 | Opening of the Second Council of Lyons (1274) | Ecumenical Council | 750 years |
| 05.07 | End of Battle of Điện Biên Phủ in Vietnam (1954) | World Event | 70 years |
| 05.15 | Opening of the First Council of China (1924) | Church Event | 100 years |
| 05.19 | Establishment of the Secretariat for Non-Christians (1964) | Church Event | 60 years |
| 05.29 | Election of Pope Benedict XIII (1724) | Pope | 300 years |
| 06.06 | D-Day (1944) | World Event | 80 years |
| 06.11 | Consecration of the entire world to the Sacred Heart of Jesus (1899) | Church Event | 125 years |
| 06.12 | Closing of the First Council of China (1924) | Church Event | 100 years |
| 06.24 | Treaty of Constantinople between the Ottoman Empire and the Russian Empire (1724) | World Event | 300 years |
| 07.17 | Closing of the Second Council of Lyons (1274) | Ecumenical Council | 750 years |
| 07.23 | Birth of Pope Clement XI (1649) | Pope | 375 years |
| 08.29 | Death of Pope Pius VI (1799) | Pope | 225 years |
| 09.22 | Death of Pope Clement XIV (1774) | Pope | 250 years |
| 10.01 | Founding of the People's Republic of China (1949) | World Event | 75 years |
| 10.07 | Attack of Hamas on Israel (2023) | World Event | 1 year |
| 11.04 | Apostolic Constitution Anglicanorum cœtibus (2009) | Papal Document | 15 years |
| 11.09 | Consecration of Basilica of St. John Lateran (324) | Church Event | 1700 years |
| 11.10 | Death of Pope Paul III (1549) | Pope | 475 years |
| 11.21 | Conciliar Constitution Lumen gentium (1964) | Conciliar Document | 60 years |
| 11.21 | Conciliar Decree Orientalium Ecclesiarum (1964) | Conciliar Document | 60 years |
| 11.21 | Conciliar Decree Unitatis redintegratio (1964) | Conciliar Document | 60 years |
| 11.28 | Last Apparition of Our Lady of Kibeho (1989) | Marian Apparition | 35 years |
| 12.12 | Episcopal consecration of Pope Paul VI (1954) | Pope | 70 years |
| 12.26 | Indian Ocean earthquake and Indonesian tsunami (2004) | World Event | 20 years |
