 | 2026 | 2027 | 2028 |  |
Date | Commemoration | Type | Anniversary |
| 01.16 | Returning of the papal see from Avignon to Rome (1377) | Church Event | 650 years |
| 02.11 | Establishment of the Catholic hierarchy in Russia (2002) | Church Event | 25 years |
| 02.24 | Beginning of the Invasion of Ukraine by Russia (2022) | World Event | 5 years |
| 03.16 | Death of Archbishop John Bede Polding, O.S.B., first Bishop of Australia (1877) | Person | 150 years |
| 03.25 | Encyclical Redemptoris Mater (1987) | Papal Document | 40 years |
| 03.26 | Death of Ludwig van Beethoven (1827) | Person | 200 years |
| 03.26 | Encyclical Populorum progressio (1967) | Papal Document | 60 years |
| 04.07 | Birth of Pope Clement XII (1652) | Pope | 375 years |
| 04.12 | Apparition of Our Lady of the Revelation (1947) | Marian Apparition | 80 years |
| 04.16 | Birth of Pope Benedict XVI (1927) | Pope | 100 years |
| 05.06 | Stand of the Swiss Guards during the Sack of Rome (1527) | World Event | 500 years |
| 05.20 | Establishment of the Pontifical Council for Culture (1982) | Church Event | 45 years |
| 05.27 | Letter to the Church of China (2007) | Papal Document | 20 years |
| 05.28 | Episcopal consecration of Pope Benedict XVI (1977) | Pope | 50 years |
| 06.05 | Terrorist Attack at church in Owo (2022) | World Event | 5 years |
| 06.26 | Creation of Karol Józef Wojtyła as Cardinal (1967) | Pope | 60 years |
| 06.27 | Founding of the first diocese in Bolivia (1552) | Church Event | 475 years |
| 06.27 | Creation of Joseph Ratzinger as Cardinal (1977) | Pope | 50 years |
| 06.27 | Episcopal consecration of Jorge Bergoglio (1992) | Pope | 35 years |
| 07.07 | Motu Proprio Summorum Pontificum (2007) | Papal Document | 20 years |
| 08.15 | Establishment of India (1947) | World Event | 80 years |
| 09.17 | Birth of Pope Paul V (1552) | Pope | 475 years |
| 10.04 | Launch of Sputnik 1 (1957) | World Event | 70 years |
| 10.06 | Birth of Matteo Ricci (1552) | Person | 475 years |
| 11.25 | Battle of Montigsard (1177) | World Event | 850 years |
| 12.08 | First Apparition of Our Lady of L'Île-Bouchard (1947) | Marian Apparition | 80 years |
| 12.14 | Last Apparition of Our Lady of L'Île-Bouchard (1947) | Marian Apparition | 80 years |
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