Date | Commemoration | Type | Anniversary |
| 01.25 | Promulgation of Canon Law Codex Iuris Canonici (1983) | Papal Document | 60 years |
| 02.01 | Disintegration of Space Shuttle Columbia (2003) | World Event | 40 years |
| 02.06 | Earthquake in Turkiye (2023) | World Event | 20 years |
| 02.11 | Announcement of resignation of Pope Benedict XVI (2013) | Pope | 30 years |
| 02.23 | Beginning of the Darfur Genocide (2003) | World Event | 40 years |
| 02.28 | Resignation of Pope Benedict XVI (2013) | Pope | 30 years |
| 03.05 | Death of Joseph Stalin (1953) | Person | 90 years |
| 03.07 | Birth of Pope Clement XIII (1693) | Pope | 350 years |
| 03.13 | Election of Pope Francis (2013) | Pope | 30 years |
| 03.19 | Installation of Pope Francis (2013) | Pope | 30 years |
| 03.25 | Establishment of the Catholic hierarchy in Kenya, Tanzania and Uganda (1953) | Church Event | 90 years |
| 04.04 | Assassination of Martin Luther King Jr. (1968) | World Event | 75 years |
| 04.05 | Birth of Pope Urban VIII (1568) | Pope | 475 years |
| 04.11 | Encyclical Pacem in terris (1963) | Papal Document | 80 years |
| 04.17 | Encyclical Ecclesia de Eucharistia (2003) | Papal Document | 40 years |
| 06.21 | Election of Pope Paul VI (1963) | Pope | 80 years |
| 06.29 | Encyclical Lumen Fidei (2013) | Papal Document | 30 years |
| 07.06 | First Apparition of Our Lady of Akita (1973) | Marian Apparition | 70 years |
| 07.25 | Encyclical Humanæ vitæ (1968) | Papal Document | 75 years |
| 07.27 | End of the Korean War (1953) | World Event | 90 years |
| 08.06 | Encyclical Veritatis splendor (1993) | Papal Document | 50 years |
| 08.29 | Weeping of Our Lady of Tears of Syracuse (1953) | Marian Apparition | 90 years |
| 09.14 | Encyclical Fides et ratio (1998) | Papal Document | 45 years |
| 09.26 | Admission of 7 Chinese Bishops to full communion (2018) | Church Event | 25 years |
| 10.07 | Attack of Hamas on Israel (2023) | World Event | 20 years |
| 10.28 | Independence of Czechoslovakia (1918) | World Event | 125 years |
| 11.11 | End of World War I (1918) | World Event | 125 years |
| 11.18 | Encyclical Providentissimus Deus (1893) | Papal Document | 150 years |
| 11.22 | Assassination of John F. Kennedy (1963) | World Event | 80 years |
| 11.24 | Apostolic Exhortation Evangelii Gaudium (2013) | Papal Document | 30 years |
| 12.04 | Conciliar Constitution Sacrosanctum concilium (1963) | Conciliar Document | 80 years |
| 12.04 | Conciliar Decree Inter mirifica (1963) | Conciliar Document | 80 years |
