 | 2041 | 2042 | 2043 |  |
Date | Commemoration | Type | Anniversary |
| 01.02 | End of Muslim rule in the Iberian Peninsula (1492) | World Event | 550 years |
| 01.08 | Death of Galileo Galilei (1642) | Person | 400 years |
| 01.30 | Election of Pope Clement VIII (1592) | Pope | 450 years |
| 02.11 | Establishment of the Catholic hierarchy in Russia (2002) | Church Event | 40 years |
| 02.24 | Beginning of the Invasion of Ukraine by Russia (2022) | World Event | 20 years |
| 03.10 | Establishment of the Catholic hierarchy in Korea (1962) | Church Event | 80 years |
| 03.26 | Encyclical Populorum progressio (1967) | Papal Document | 75 years |
| 04.05 | Founding of the first diocese in Oceania (1842) | Church Event | 200 years |
| 05.01 | Birth of Johann Adam Schall von Bell (1592) | Person | 450 years |
| 05.01 | Establishment of the Sacred Congregation for the Oriental Churches (1917) | Church Event | 125 years |
| 05.13 | Birth of Pope Pius IX (1792) | Pope | 250 years |
| 05.13 | Episcopal consecration of Pope Pius XII (1917) | Pope | 125 years |
| 05.13 | First Apparition of Our Lady of Fatima (1917) | Marian Apparition | 125 years |
| 05.20 | Establishment of the Pontifical Council for Culture (1982) | Church Event | 60 years |
| 05.22 | Death of Pope Alexander VII (1667) | Pope | 375 years |
| 05.27 | Promulgation of Canon Law Codex Iuris Canonici (1917) (1917) | Papal Document | 125 years |
| 06.05 | Terrorist Attack at church in Owo (2022) | World Event | 20 years |
| 06.20 | Election of Pope Clement IX (1667) | Pope | 375 years |
| 06.26 | Creation of Karol Józef Wojtyła as Cardinal (1967) | Pope | 75 years |
| 06.27 | Episcopal consecration of Jorge Bergoglio (1992) | Pope | 50 years |
| 07.01 | Founding of Canada (1867) | World Event | 175 years |
| 07.07 | Motu Proprio Summorum Pontificum (2007) | Papal Document | 35 years |
| 07.21 | Establishment of the Commission of Roman and Universal Inquisition (1542) | Church Event | 500 years |
| 08.11 | Election of Pope Alexander VI (1492) | Pope | 550 years |
| 08.14 | Birth of Pope Pius VII (1742) | Pope | 300 years |
| 09.20 | Defeat of the Prussians in the Battle of Valmy (1792) | World Event | 250 years |
| 09.28 | Founding of the first diocese in El Salvador (1842) | Church Event | 200 years |
| 10.11 | Opening of the Second Vatican Council (1962) | Ecumenical Council | 80 years |
| 10.12 | Arrival of Christopher Columbus in the Bahamas (1492) | World Event | 550 years |
| 10.12 | Discovery of Our Lady of Aparecida (1717) | Marian Apparition | 325 years |
| 10.13 | Final Apparition of Our Lady of Fatima (1917) | Marian Apparition | 125 years |
| 11.07 | October Revolution in Russia (1917) | World Event | 125 years |
| 12.06 | Independence of Finland from Russia (1917) | World Event | 125 years |
| 12.06 | Halifax Explosion (1917) | World Event | 125 years |
| 12.25 | Birth of Pope Pius VI (1717) | Pope | 325 years |
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