Date | Commemoration | Type | Anniversary |
| 01.01 | Establishment of the Catholic hierarchy in Myanmar (1955) | Church Event | 80 years |
| 01.01 | Establishment of the Catholic hierarchy in Zimbabwe (1955) | Church Event | 80 years |
| 01.12 | Earthquake at Port-au-Prince (2010) | World Event | 25 years |
| 02.11 | Establishment of the Pontifical Commission for the Pastoral Assistance to Health Care Workers (1985) | Church Event | 50 years |
| 02.12 | Beheading of 21 Coptic Martyrs in Sirte, Libya (2015) | World Event | 20 years |
| 02.13 | Death of Sister Lúcia dos Santos, Fatima visionary (2005) | Person | 30 years |
| 03.02 | Birth of Pope Leo XIII (1810) | Pope | 225 years |
| 03.25 | Encyclical Evangelium vitæ (1995) | Papal Document | 40 years |
| 04.02 | Death of Pope John Paul II (2005) | Pope | 30 years |
| 04.10 | Death of Pope Gregory XIII (1585) | Pope | 450 years |
| 04.16 | Beginning of the Battle of Berlin (1945) | World Event | 90 years |
| 04.17 | Beginning of the Cambodian Genocide (1975) | World Event | 60 years |
| 04.19 | Election of Pope Benedict XVI (2005) | Pope | 30 years |
| 04.22 | Birth of Pope Alexander VIII (1610) | Pope | 425 years |
| 04.24 | Election of Pope Sixtus V (1585) | Pope | 450 years |
| 04.28 | Death of Benito Mussolini (1945) | Person | 90 years |
| 04.30 | Suicide of Adolf Hitler (1945) | World Event | 90 years |
| 04.30 | Fall of Saigon (1975) | World Event | 60 years |
| 05.08 | Victory in Europe Day (1945) | World Event | 90 years |
| 05.24 | Encyclical Laudato si’ (2015) | Papal Document | 20 years |
| 05.25 | Encyclical Ut unum sint (1995) | Papal Document | 40 years |
| 06.02 | Birth of Pope Leo XI (1535) | Pope | 500 years |
| 06.02 | Birth of Pope Pius X (1835) | Pope | 200 years |
| 06.05 | Establishment of the Secretariat on Christian Unity (1960) | Church Event | 75 years |
| 06.30 | Establishment of the Pontifical Council for the Promotion of the New Evangelization (2010) | Church Event | 25 years |
| 07.07 | Sacerdotal Ordination of Pope John Paul I (1935) | Pope | 100 years |
| 07.11 | Beginning of the Bosnian Genocide (1995) | World Event | 40 years |
| 07.18 | Death of Michelangelo Merisi da Caravaggio (1610) | Pope | 425 years |
| 08.02 | Birth of Pope Leo XII (1760) | Pope | 275 years |
| 08.06 | Dropping of Atomic Bomb in Hiroshima (1945) | World Event | 90 years |
| 08.09 | Dropping of Atomic Bomb in Nagasaki (1945) | World Event | 90 years |
| 08.17 | Proclamation of Indonesian Independence (1945) | World Event | 90 years |
| 09.02 | End of World War II (1945) | World Event | 90 years |
| 09.02 | Independence Day of Vietnam (1945) | World Event | 90 years |
| 09.13 | Dedication of the Martyrion Church in Jerusalem (335) | Church Event | 1700 years |
| 09.14 | Establishment of the Catholic hierarchy in Cote d’Ivoire, Central African Republic, Guinea, Gabon, Congo-Brazzaville, Mali, Madagascar, Chad and Togo (1955) | Church Event | 80 years |
| 10.28 | Conciliar Decree Christus Dominus (1965) | Conciliar Document | 70 years |
| 10.28 | Conciliar Decree Perfectæ caritatis (1965) | Conciliar Document | 70 years |
| 10.28 | Conciliar Decree Optatam totius (1965) | Conciliar Document | 70 years |
| 10.28 | Conciliar Declaration Gravissimum educationis (1965) | Conciliar Document | 70 years |
| 10.28 | Conciliar Declaration Nostra ætate (1965) | Conciliar Document | 70 years |
| 10.31 | Terrorist Attack on Syriac Cathedral of Our Lady of Salvation (2010) | World Event | 25 years |
| 11.01 | Beginning of the Vietnam war (1955) | World Event | 80 years |
| 11.07 | Dedication of the Basilica of the Holy Family, Barcelona (2010) | Church Event | 25 years |
| 11.13 | Paris terrorist attacks (2015) | World Event | 20 years |
| 11.18 | Conciliar Constitution Dei verbum (1965) | Conciliar Document | 70 years |
| 11.18 | Conciliar Decree Apostolicam actuositatem (1965) | Conciliar Document | 70 years |
| 11.18 | Letter of Reconciliation of the Polish Bishops to the German Bishops (1965) | Church Event | 70 years |
| 11.20 | Death of Francisco Franco (1975) | Person | 60 years |
| 11.24 | Establishment of the Catholic hierarchy in Vietnam (1960) | Church Event | 75 years |
| 12.07 | Conciliar Constitution Gaudium et spes (1965) | Conciliar Document | 70 years |
| 12.07 | Conciliar Decree Ad gentes (1965) | Conciliar Document | 70 years |
| 12.07 | Conciliar Decree Presbyterorum ordinis (1965) | Conciliar Document | 70 years |
| 12.07 | Conciliar Declaration Dignitatis humanæ (1965) | Conciliar Document | 70 years |
| 12.07 | Joint Declaration between Pope Paul VI and Ecumenical Patriarch Athenagoras I (1965) | Church Event | 70 years |
| 12.08 | Closing of the Second Vatican Council (1965) | Ecumenical Council | 70 years |
| 12.18 | Establishment of the Catholic hierarchy in Tunisia (1965) | Church Event | 70 years |
| 12.25 | Encyclical Deus caritas est (2005) | Papal Document | 30 years |
