Date | Commemoration | Type | Anniversary |
| 01.03 | Establishment of the Catholic hierarchy in Indonesia (1961) | Church Event | 80 years |
| 01.07 | Election of Pope Pius V (1566) | Pope | 475 years |
| 01.11 | Establishment of the Catholic hierarchy in South Africa (1951) | Church Event | 90 years |
| 01.25 | Founding of Missionary Oblates of Mary Immaculate (Oblates) (1816) | Church Event | 225 years |
| 02.01 | Death of Pope Alexander VIII (1691) | Pope | 350 years |
| 02.21 | Creation of Jorge Bergoglio as Cardinal (2001) | Pope | 40 years |
| 03.11 | TÅhoku earthquake and tsunami (2011) | World Event | 30 years |
| 03.27 | Death of Mother Angelica (2016) | Person | 25 years |
| 04.09 | Battle of Legnica (1241) | World Event | 800 years |
| 04.12 | First Man in Space (1961) | World Event | 80 years |
| 05.13 | Attempted Assassination of Pope John Paul II (1981) | World Event | 60 years |
| 05.15 | Encyclical Rerum novarum (1891) | Papal Document | 150 years |
| 06.11 | Reconsecration of Poland to the Sacred Heart of Jesus (2021) | Church Event | 20 years |
| 06.15 | Establishment of the Catholic hierarchy in Japan (1891) | Church Event | 150 years |
| 06.25 | Independence of Croatia (1991) | World Event | 50 years |
| 06.29 | Sacerdotal Ordination of Pope Benedict XVI (1951) | Pope | 90 years |
| 07.12 | Election of Pope Innocent XII (1691) | Pope | 350 years |
| 07.26 | Murder of Fr. Jacques Hamel in Rouen (2016) | World Event | 25 years |
| 08.05 | Founding of the first diocese in Botswana (1966) | Church Event | 75 years |
| 09.07 | Battle of Arsuf (1191) | World Event | 850 years |
| 09.11 | September 11 attacks (2001) | World Event | 40 years |
| 10.16 | Death of Pope Gregory XIV (1591) | Pope | 450 years |
| 10.29 | Election of Pope Innocent IX (1591) | Pope | 450 years |
| 11.15 | Establishment of the Catholic hierarchy in Papua New Guinea (1966) | Church Event | 75 years |
| 11.25 | Death of Fidel Castro (2016) | Person | 25 years |
| 11.28 | First Apparition of Our Lady of Kibeho (1981) | Marian Apparition | 60 years |
| 12.05 | Death of Mozart (1791) | Person | 250 years |
| 12.07 | Attack on Pearl Harbor (1941) | World Event | 100 years |
| 12.26 | Dissolution of the Soviet Union (1991) | World Event | 50 years |
| 12.30 | Death of Pope Innocent IX (1591) | Pope | 450 years |
