| 1887 | Opening of Kopimpinan mission station (near Limbahau) by Fr Kurtz |
| 1935 | 1st batch of seminarians (Stephen Chong & Louis Lo) sent to Arbedeen Seminary Hong Kong |
| 1972 | Forced departure of Frs Putman, McDonald, Tijsen & Goedhart from Sabah |
| 1973 | Fr Tobias Chi takes over as CS editor (hon) |
Dec 1
| 1978 | 1st walkathon organized by Sabah Catholic Welfare |
| 1983 | 1st profession of Carmelite novice Genevieve of the Holy Face |
| 2012 | Pope Benedict XVI accepts Abp Lee’s resignation, Coadjutor Wong succeeds him |
| Year of Faith launched in Tawau |
Dec 2
| 1981 | Blessing of new St Peter Kudat by Bp Fung |
| 1987 | Training programme for colloquium facilitators by IJ Srs Eilis Cassey & Rita Dec 2-4 |
| 2002 | Death of Dtk Seri Panglima Frederick Jinu |
Dec 3
| 1976 | Blessing of new St Francis Xavier Keningau by Bp Fung |
| 2005 | Priestly ordination of Deacon Wilfred Atin by Bp Lee Ranau |
| 2011 | Priestly ordinations of Deacons Florian Marcus & Postinus Kurup by Abp Lee SHC |
| 2015 | Bundu Kuala Penyu hosts parish youth assembly Dec 3-5 |
| 2016 | Archdiocesan Pastoral Council Meeting, CAC |
Dec 4
| 1975 | 13 choirs take part in inaugural interparish choral competition SHPH |
| 1987 | Healing seminar by Fr Gino Hendriquez Dec 4-8 Sandakan |
| 1998 | Journeying together forum I Dec 4-6 BTRC |
| 1999 | Environmental seminar CDC |
| 2004 | Priestly ordination of Deacon Thomas Madanan by Bp Lee Kota Marudu |
| 2018 | Ruby jubilee of Sr Grace Deosing fsic. Celebration on Apr 21. |
Dec 5
| 1972 | Teachers seminar by Education Commission Dec 5-7 KK Seminary |
| 1977 | Seminar on pastoral psychology by Fr Francis Parisi sj Dec 5-9, KK Seminary |
| 1983 | Vocation seminar Tambunan Dec 5-8 Tambunan |
| Seminar for primary school teachers Dec 5-15 | |
| 1986 | Chinese Bible Youth Camp Dec 5-7 BTRC |
| 1999 | FSIC 7th General Chapter Dec 5-7 – Sr Cecilia Liew, 59, elected as superior general 2000-2005 |
| 2002 | Pastoring Together in the next 25 Years Assembly Dec 5-7 BTRC |
| 2015 | St Michael Penampang hosts Parish-level Carols by Candlelight |
| St Edmund Kota Belud hosts Forum Berjalan Bersama Programme in conjunction with the arrival of the Youth Cross |
Dec 6
| 1903 | Priestly ordination of Deacon August Wachter |
| 1920 | Death of Fr Aloysius Keyzer mhm |
| 1974 | 4th PAX Assembly Dec 6-7 KK Seminary |
| 1976 | Inaugural statewide youth camp: A New Heart Dec 6-11 Kionsom Inanam |
| 1996 | FSIC congregational planning facilitated by Fr Manny Guazon Dec 6-12 BTRC |
| 2015 | LJCCC brings Christmas cheer to Kg Gosusu Kota Marudu |
| Winners of Spiritual Song Wirting Competition receive their awards from the organisers Friends of St John Vianney (FSJV) at the 10th anniversary of Fr Wilfred Atin at Mayflower Restaurant Bundusan |
Dec 7
| 1930 | Arrival of Fr Alfred McCarthy as assistant rector of the minor seminary |
| 1987 | 1st profession of FSIC Novices Martha Boijon & Elizabeth Munggai |
| 1998 | Final profession of Sr Julita Joseph fsic |
| 2012 | Silver jubilee of Sr Elizabeth Munggai fsic |
| 2016 | Death of Fr Aloysius Tung Chien Chee |
Dec 8
| 1857 | Inaugural Mass celebrated at Lokporin Sepangar Bay at Our Lady of Bethlehem Chapel by Msgr Cuarteronh |
| 1930 | Opening of Immaculate Conception Minor Seminary Jesselton by Fr Valentine Weber |
| 1976 | Fr Michael Henselmans mhm leaves Sabah for good |
| 1978 | Visit of Fr Ian Petit osb of England Dec 8-26 |
| 1985 | FSIC golden jubilee of foundation |
| 1986 | 1st profession of Carmelite Novice Mary Genevieve of the Holy Face (Mary Sang of Papar) |
| 1988 | 1st profession of FSIC Novices Evelin Tivit & Sandra Yapp |
| 1990 | Priestly ordination of Deacon Gilbert Engan by Bp Lee Beaufort |
| 1992 | Final profession of Srs Clarice Jomitin, Margaret Shak, Elizabeth Munggai officiated by Bp Lee SHC |
| 1993 | Final profession of Srs Evelin Tivit & Sandra Yapp officiated by Bp Lee St Michael Penampang |
| 1997 | Silver jubilee of Srs Magdalene Sepanggil, Colette Kinajil & Genevieve Nicholas SHC |
| 1998 | Silver jubilee of Sr Clare Lombigit fsic |
| 1999 | Silver jubilee of Srs Emily Tangah, Felicity Moduying & Leonie Jokunin |
| 2003 | Final profession of Srs Anita James, Winner Tuaran & Liza Jamat officiated by Bp Lee Tg Aru |
| 2015 | Launching of Jubilee Year of Mercy/opening of Holy Door by Pope Francis at St Peter’s Basilica Rome/Launching Mass for Jubilee Year by Abp Wong SHC |
Dec 9
| 1945 | Priestly ordination of Deacon Gerard Preyde mhm |
| 1976 | NFP seminar by Sr Rosalind Chan fmm in Tawau |
| 1995 | Golden jubilee of Fr Gerard Preyde mhm |
| 2000 | Silver jubilee of Fr Moses Lui |
Dec 10
| 1883 | Fr Daniel Kilty leaves Borneo for India |
| 1971 | Statewide youth seminar Dec 10-13 KK Seminary |
| 1976 | Death of Fr Georg Lampe mhm |
| 1978 | Priestly ordination of Deacon Peter Kim Se-mang sj of Sandakan in Petaling Jaya |
| 1982 | LSS by Fr Brian Coogan & Fr Hurley Dec 10-12 Sandakan |
| 1986 | Golden jubilee of Sr Incarnacion (Alice Lind) ocd in Miri |
| 1988 | Final profession of Srs Rosario, Jude, Dolores, Hilary & Lawrencia, St Michael Penampang |
| 2005 | Priestly ordination of Deacon Paul Lo by Bp Lee Kudat |
| 2016 | Gaya Christmas 10km NIght Run |
| 2016 | Journalism Training Workshop for Catholic Writers Tg Aru Dec 10-11 |
Dec 11
| 1949 | Blessing of postwar Sacred Heart Church Jesselton by Bp Buis |
| 1975 | Bp Fung’s pastoral visit to Tawau Dec 11-15 |
| 1994 | Launching of Labuan parish newsletter “One Parish One Family One Mission” by Fr Jan vd Salm |
| 2012 | Death of Sr Assumpta Chong fsic, 96 |
| 2015 | Closing of Academic Year for Initiation Year & Aspirants |
Dec 12
| 1960 | Death of Fr Albert Luppes mhm |
| 1977 | Statewide vocation seminar Dec 12-14, KK Seminary |
| 1978 | Statewide vocation seminar Dec 12-14, KK Seminary |
| 1986 | Priestly ordination of Jesuit Deacon Joseph Fung by Archbishop Chung SHC |
| 2002 | KK catechetical commission retreat Dec 12-14 Borneo Paradise Kinarut |
| 2013 | Federation of Christian Mission Schools Malaysia presents letter to Federal Education Minister Tan Sri Muhyyddin Mohd Yasim on National Education Blueprint, Putrajaya |
| 2015 | Opening of Door of Mercy by Abp Wong SHC |
| 2016 | Malaysian Bishops Meeting KL Dec 12-14 |
Dec 13
| 1966 | Priestly ordination of Deacon Augustine Amandus by Bp Buis Limbahau |
| 1976 | NFP seminar by Sr Rosalind Chan fmm Dec 13-15 Kudat |
| 1989 | Formation of Lahad Datu Chinese Coordinating Committee |
| 1991 | Silver jubilee of Fr Augustine Amandus |
| 2015 | Opening of Door of Mercy at Holy Rosary Limbahau, St Peter Kudat, St Peter Claver Ranau |
| 2012 | Sabah bishops hold dialogue with Labuan education officials, CAC |
| 2016 | Gaya Christmas Celebration Padang Merdeka Dec 13-16 |
Dec 14
| 1969 | Priestly ordination of Deacon Felix Chung by Bp Carlo van Melckebebe Tg Aru |
| 1978 | Priestly ordination of Deacon Alexander Induku by Bp Fung Tambunan |
| 1982 | Sabah Catholic Welfare Office transferred to Taman Hiburan Penampang |
| 1994 | Silver jubilee of Fr Felix Chung |
| 1998 | Orientation to campus life Dec 14-19 Ranau |
| 2002 | Silver jubilee of Sr Mary Magdalene Alex of the Risen Christ ocd |
| 2012 | Closing of Initiation Year and English Year by Abp Lee |
| 2015 | Bp Gitom opens Holy Door at St Mary’s Cathedral Sandakan |
Dec 15
| 2012 | CWL officials gather for YoF seminar CAC |
| SPC seminarians serenade the Carmelite nuns | |
| 2013 | Launching of Rakan-rakan Aspiran dan Seminarian (RASS) KK |
| 2015 | Gaya Christmas Celebration Lintasan Deasoka Dec 15-17 |
| 2016 | Initiation Year Closing of Academic Year |
Dec 16
| 1987 | Death of Fr Louis Dassen mhm |
Dec 17
| 1966 | Priestly ordination of Deacon Michael Mewo by Bp Buis Sandakan |
| 1986 | Seminar on liturgical services without priest by Fr Cosmas Lee |
| 1991 | Silver jubilee of Fr Mewo |
| 2002 | Silver jubilee of Sr Martha Jonik fsic |
Dec 18
| 1880 | Priestly ordination of Deacon Edmund Dunn mhm |
| 1930 | Arrival of seven Carmelite Nuns from Madrid Spain: Mother Joseph Mary, Srs Marianne of the Angels, Mary Joseph of the Sacred Heart, Casilda of St Therese, Maria Theresa of the Virgin of the Pilar, Margarita of Jesus & Novice Concepcion of the Most Holy Trinity |
| 1977 | Blessing of new St Patrick Membakut by Bp Fung |
| 1985 | 1st profession of FSIC Novices Margaret Shak of Labuan & Clarice Jomitin of Penampang |
| 1986 | Final profession of Srs Sylvia, Helen, Florence, Caroline, Francisca, Lucy, Judith & Juliana officiated by Msgr Lee Tg Aru |
| 2010 | Terawi becomes a parish with Fr Peter Abas as resident pastor |
Dec 19
| 1982 | Blessing of Lahad Datu bell & belfry by the parish priest & unveiling of commemorative bronze plate in memory of Fr John Clementi by MCS Rajayah. |
| 1984 | Death of Fr John van Haaren in Germany |
| 1985 | Final profession of Srs Lilian & Annunciata, Loreto Convent |
Dec 21
| 1997 | Ecumenical “town cleaning” activity organised by Sabah Council of Churches (SCC) |
Dec 22
| 1986 | Blessing of St Benildus Formation House (FSC) Tg Aru by Msgr Lee |
| 1991 | Blessing of St Peter Chapel Brumas Sabah Softwood Plantation by Frs Tung & Tsen |
| 2012 | Ruby jubilee of FSIC Sr Genevieve Nicholas and Sr Magdalene Sapanggil |
Dec 23
| 1973 | Inaugural children Christmas party by Labuan Parish Council |
Dec 24
| 2015 | Death of Br Charles O’Leary fsc |
Dec 25
| 1957 | Catholic Sabah starts life as a Kadazan church bulletin by Frs Michael Henselmans & Florian Jud for Penampang and its outstations |
| 1959 | Inaugural printed copy of Catholic Sabah in tabloid format |
| 1992 | Inaugural Christmas Open House at Bishop’s Residence Dontozidon |
| 1993 | Inaugural evangelistic dinner in Tawau |
| 1996 | Tropical storm Greg hits Sabah Dec 25-26 w/ Keningau as the worst hit area w/ death toll of 220, missing 107 & estimated RM103 m worth of property damage. Roof of St Simon Educational Complex blown off. |
| 1999 | Blessing/opening of Jubilee Doors at SHC & KSFX |
| 2016 | Christmas Open House SHPC 2:30 pm – 5 pm |
Dec 26
| 2000 | Launching of Tuaran parish pastoral plan |
| 2016 | Fr Cosmas Lee’s ruby jubilee St Simon Likas |
Dec 27
| 1953 | Priestly ordination of Deacon Aloysius Tung in China |
| 1964 | Priestly ordination of Deacon John Lee Yit Yaw by Bp Buis SHC |
| 1976 | Priestly ordination of Deacon Cosmas Lee Khod Min by Bp Fung SHC |
| 1978 | Silver jubilee of Fr Aloysius Tung |
| 3rd statewide youth camp Inanam Dec 27-31: You shall be my witnesses | |
| 1979 | Br John Hoeskstra mhm leaves Sabah for good |
| 4th statewide youth camp Penampang Dec 27-31: For you are my God | |
| 1980 | 5th statewide youth camp Keningau Dec 27-31: Now God’s people |
| 1982 | Youth bible camp Tambunan Dec 27-31 |
| 1989 | Silver jubilee of Bp Lee |
| 1993 | Blessing of new St Dominic Kg Lokos Ulu Tuaran |
| 1998 | Inaugural KK diocesan family day |
| 2001 | Silver jubilee of Fr Cosmas Lee |
| 2003 | Golden jubilee of Fr Aloysius Tung |
| 2nd Malaysian Christmas Open House organised by Federal Govt Likas Sports Complex |
Dec 28
| 1977 | Foundation of FSIC Kudat |
| 2nd statewide youth camp Tempasak Tampasak Dec 28-31: Springs of Living Water | |
| 2003 | Closing of SHC centenary celebration |
| 2016 | Priestly ordination of Deacon Christopher Ireneus by Bp Julius D Gitom St Martin Telupid |
Dec 29
| 1963 | Priestly ordination of Deacon Simon Fung by Bp Buis SHC |
| 2012 | Fr William Goh appointed Coadjutor to Abp Nicholas Chia of Singapore |
| 2016 | Fr Alex Sipanul’s ruby jubilee Madsiang |
Dec 30
| 1933 | Death of Msgr Edmund Dunn mhm |
| 2016 | Fr Alex Sipanul’s ruby jubilee Madsiang |
| Abp Wong’s pastoral visit to Holy Family Telipok |
Dec 31
| 1976 | Priestly ordination of Fr Alexander Sipanul Limbahau |
| 1983 | Blessing of new SH Church Inobong by Bp Fung |
| 1988 | 70th wedding anniversary of Thomas Lee & Beatrice Ho (parents of Bp Lee) SHC |
| 1999 | Millennium eve celebration organised by SCC Padang Merdeka |
| 2001 | Silver jubilee of Fr Alex Sipanul |
| 2010 | Priestly ordination of Deacon David Garaman by Bp Gitom Lahad Datu |