Date | Celebration |
| 1999.12.25 – 2000.01.01 | Christmas Octave 1999 Christmas |
| 1999.12.25 – 2001.01.06 | Holy Year of the Great Jubilee 2000 jubilee - Pope John Paul II, Apostolic Letter Tertio millennio adveniente / At the Third Millennium Draws Near On Preparation for the Jubilee of the Year 2000 (1994.11.10)
  - Pontifical Council for the Pastoral Care of Migrants and Itinerant People, Document The Pilgrimage in the Great Jubilee (1998.04.25)
- Committee for the Great Jubilee of the Year 2000, Document Forward of the Calendar of the Holy Year 2000 (1998.06.21)
- Pope John Paul II, Bull Incarnationis mysterium / The Mystery of Incarnation Decreeing the Great Jubilee of the Year 2000 (1998.11.29)
- Pope John Paul II, Letter “Concerning pilgrimage to the places linked to the history of Salvation” (1999.06.30)
- Office for the Liturgical Celebrations of the Supreme Pontiff, Note “On the opening of the Holy Door of the Great Jubilee 2000” (1999.12.01)
- Pope John Paul II, Message “Urbi et Orbi Message for Christmas 1999” (1999.12.25)
- Pope John Paul II, Message “Urbi et Orbi Message for 1 January 2000” (2000.01.01)
- Pope John Paul II, Homily “Solemnity of Mary Mother of God, Opening of the Holy Door of the Basilica of Saint Mary Major” (2000.01.01)
- Apostolic Penitentiary, Document “On Indulgences during the Great Jubilee Year” (2000.01.29)
- Pope John Paul II, Message For the Jubilee of Consecrated Life, 4ᵗʰ Day of Consecrated Life (2000) (2000.02.02)
- Pope John Paul II, Speech For the Jubilee for Artists (2000.02.18)
- Pope John Paul II, Speech For the Jubilee of Permanent Deacons (2000.02.19)
- Pope John Paul II, Speech For the Jubilee for Dentists (2000.03.28)
- Pope John Paul II, Message “Urbi et Orbi Message for Easter Sunday 2000” (2000.04.23)
- Pope John Paul II, Speech For the Jubilee of Workers (2000.05.01)
- Pope John Paul II, Speech For the Jubilee of Scientists (2000.05.25)
- Pope John Paul II, Speech For the Jubilee for Journalists (2000.06.04)
- Pope John Paul II, Message For the Jubilee in Prisons (2000) (2000.07.09)
- Pope John Paul II, Speech For the Jubilee of University Professors (2000.09.09)
- Pope John Paul II, Speech For the Jubilee for Apostolic Nuncios (2000.09.15)
- Pope John Paul II, Speech For the Jubilee of Bishops (2000.10.07)
- Pope John Paul II, Speech For the Jubilee of Government Leaders, Members of Parliament and Politicians (2000.11.04)
- Pope John Paul II, Speech For the Jubilee of the agricultural world (2000.11.11)
- Pope John Paul II, Speech For the Jubilee of Arm Forces and Police (2000.11.18)
- Pope John Paul II, Speech “At the conclusion of the Jubilee of the Disabled” (2000.12.03)
- Office for the Liturgical Celebrations of the Supreme Pontiff, Note “On the opening of the Holy Door of the Great Jubilee 2000” (2000.12.20)
- Pope John Paul II, Message “Urbi et Orbi Message for Christmas 2000” (2000.12.25)
- Pope John Paul II, Message “Urbi et Orbi Message for 31 January 2000” (2000.12.31)
- Pope John Paul II, Apostolic Letter Novo millennio ineunte / At the Beginning of the New Millennium At the close of the Great Jubilee of the Year 2000 (2001.01.06)
- Pope John Paul II, Homily “Closing of the Holy Door on the Solemnity of the Epiphany of the Lord” (2001.01.06)
|
| 2000.01.01 | World Day of Peace 2000 peace |
| 2000.01.18 – 2000.01.25 | Week of Prayer for Christian Unity 2000 ecumenism |
| 2000.02.02 | World Day for Consecrated Life 2000 religious |
| 2000.02.11 | World Day of the Sick 2000 sick |
| 2000.02.24 – 2000.02.26 | Jubilee Pilgrimage to Mount Sinai Egypt papal journey |
| 2000.03.08 – 2000.04.20 | Lent 2000 Lent |
| 2000.03.20 – 2000.03.26 | Jubilee Pilgrimage to the Holy Land Holy Land papal journey |
| 2000.04.20 – 2000.04.23 | Triduum 2000 Triduum |
| 2000.05.12 – 2000.05.13 | Apostolic Journey to Fátima Fatima papal journey |
| 2000.05.14 | World Day of Prayer for Vocations 2000 vocation |
| 2000.06.04 | World Communications Day 2000 communication |
| 2000.06.18 – 2000.06.25 | 47ᵗʰ International Eucharistic Congress (Rome) Eucharistic Congress |
| 2000.08.15 – 2000.08.20 | World Youth Day 2000 (Rome) youth |
| 2000.09.15 – 2000.09.24 | 20ᵗʰ International Mariological-Marian Congress (Rome) Marian Congress Mary |
| 2000.09.15 – 2000.10.01 | Summer Olympic Games 2000 (Sydney, Australia) Australia sports |
| 2000.09.27 | World Tourism Day 2000 tourism |
| 2000.10.14 – 2000.10.15 | 3ʳᵈ World Meeting of Families (Rome) family |
| 2000.10.16 | World Food Day 2000 food |
| 2000.10.22 | World Mission Sunday 2000 mission |
| 2000.12.25 – 2001.01.01 | Christmas Octave 2000 Christmas |
