| 1882 | Opening of Simpodo Mission Papar by Fr Pundleider |
| 1955 | 1st FSIC General Chapter which elects Sr Immaculata Ho as superior general and Sr Margaret Mary as novice formator |
| 1984 | Shan Tao & St Francis Kindergartens start operating within SHC compound |
| 1997 | Formation of Council of Religious in KK Diocese: Sr Aquinas Voon fsic (chairperson), Br Justic Mobilik fsc (vice chairperson), Sr Agnes Wong fsp (secretary), Sr Angeline Lau rgs (treasurer), Sr Grace Deosing fsic (member), Sr Cecilia Liew fsic (member) |
Aug 1
| 1942 | Death of Fr Joseph Feldbrugge mhm |
| 1958 | Final profession of Sr Angela Chung fsic |
| 1972 | Bishop Emeritus Buis hands over his office to Bishop Chung |
| 1986 | Formation of SH Filipino Charismatic Group |
| Athanasius Waky Taim of Tuaran appointed fulltime youth secretary | |
| 1987 | FSIC General Chapter Aug 1-7: Sr Aquinas Voon elected as superior general |
| 1989 | Kudat youth seminar by Frs John Ha & Martin Wong |
| 1993 | Catholic Pastoral Centre (CPC) starts functioning with Fr Peter Kim sj as director and Sr Dominic Thien fsic as assistant director |
Aug 2
| 1971 | Inaugural BM catechetical course starts at Catechists Training Centre Keningau (PUSKAT) by Fr G Bauer, Didymus Kosong & Alberta Jamby |
| 1973 | Apostolic Delegate Msgr Moretti & Bp Chung visit Apin-Apin, Liau & Keningau |
| 1978 | 2nd youth assembly KK Seminary Aug 2-4 |
| 1983 | Robbers enter St Peter Kudat |
Aug 3
| 1971 | Penampang Kindergarten started by Penampang Central Parish Council (PCPC) |
| 1990 | Fr Benjamin Basintal leaves for MA Journalism Course at Loyola University New Orleans USA |
Aug 4
| 1978 | PAX youth retreat by Fr Heuthorst mhm Aug 4-6 KK Seminary |
| 1984 | Silver jubilee of Sr Euphrasia fsic |
| 1990 | Penampang Eucharistic Congress Aug 4-5 |
| 2010 | Priestly ordinations of Deacons Wiandigool Runsab, Mattheus Augustine Luta, Sunny Chung by Abp Lee SHC KK |
| 2012 | Priestly ordinations of Deacons Daniel Jomilong & Jeffri Gumu by Abp Lee, SHC KK |
Aug 5
| 1972 | Blessing of St Catherine Inanam by Msgr Moretti |
| Final profession of Br Justin Mobilik fsc in Penang | |
| 1974 | Inaugural Life in the Spirit Seminar (LSS) conducted by Fr Tobias Chi, Daniel Kong, Agnes Tai, Joan Wong in Bundu Tuhan Aug 5-6 |
| 1980 | Liturgical seminar on inculturation & acculturation by Fr Anscar Chupungco osb KK Seminary Aug 5-6 |
| 1981 | Visit of Prefect of the Congregation for the Evangelisation of Peoples Cardinal Agnelo Rossi & Apostolic Delegate Abp Renato Martino Aug 5-6 |
| 1988 | Death of Br Fridolin Gaughran fsc |
Aug 6
| 1945 | Death of MHM Msgr August Wachter, Fr John Unterbegger, Fr Anthony Raich, Fr Joseph Bohm,, Fr Mark Obertegger, Fr Joseph Theurl, Fr Francis Flur, Br Aedigius Leiter in Sapong Tenom |
| 1976 | Bishop Fung visits Kudat Aug 6-8 |
| 1983 | Inaugural community weekend for potential members of LJCCC Aug 6-7 |
| 1989 | St Peter Bundu Kuala Penyu burnt to the ground |
| 1998 | 1st profession of FSIC Novice Liza Jamat officiated by Bp Lee Loreto Convent |
| Arrival of Brothers of St Gabriel/Montfort Brothers (SG) Edward Rayappan & Francis Xavier Gasper in KK Diocese | |
| 2017 | Tuaran Parish organises fundraising dinner in aid of multipurpose hall cum catechetical centre building project, Putera Theatre Ballroom Bukit Padang (Pastors: Rev Edward Raymond, Rev Abel Madisang) |
Aug 7
| 1980 | Priestly ordination of Deacon Ben Basintal by Bp Fung Membakut |
| 1993 | Labuan parish youths organizes karaoke competition |
| 1994 | CCC seminar by Fr Thomas Kalathuveettil CDC Aug 7-8 |
| 1999 | Priestly ordinations of Deacons Tony Mojiwat (Sandakan) & Edward Raymond (Kepayan) of the Neo-catechumenal community by Bp Lee Tg Aru |
| 2000 | Death of Lena S Sulat, mother of Fr Julius Gitom |
Aug 8
| 1981 | Golden jubilee of Br Pius mhm |
| 1986 | Inaugural neo-catechumenal process starts: 41 candidates agree to take three years before baptism Aug 8-10 |
| 1993 | Tg Aru youth assembly |
| 2003 | 2nd dialogue session between KK Diocesan Education Commission & West Coast Educators SHPC |
Aug 9
| 1993 | Southeast Asia Catholic Press Association (SEACPA) meeting Aug 9-13 BTRC |
| 2012 | Priestly ordination of Deacon Samuel Lim in Singapore |
Aug 11
| 1978 | Seminar for secondary school teachers by Fr Heuthorst mhm Aug 11-13 KK Seminary |
| 1980 | 9th PAX Assembly: People of God as Family Penampang Aug 11-13 |
| 1981 | Election of Sr Xavier Chin as superior general 1981-1987 during the 4th FSIC General Chapter |
| 1984 | 4th Choral Festival for the Interior hosted by Keningau |
| 2018 | Priestly ordination of Deacon David Gasikol by Bp Cornelius Piong, Holy Spirit Sook |
Aug 12
| 1941 | Death of Fr Aloysius Stotter mhm |
| 1983 | 3rd Choral Festival hosted by Beaufort |
| 1988 | 8th Choral Festival hosted by Keningau Aug 12-14 |
| 1990 | Blessing of St Mary Kindergarten Sandakan by Bp Lee |
Aug 13
| 2011 | FSIC celebrates 75th foundation anniversary with Founder’s biography book launch, SHC |
| 2017 | Elias Carmelite Family (Putri Karmel, CSE, KTM) celebrates priestly golden jubilee of Founder Rev Yohanes Indrakusama ocarm, 79, Kaingaran Tambunan |
Aug 14
| 1935 | Death of Fr Aloysius Goossens mhm |
| 1938 | Blessing of second Sacred Heart Church Jesselton by Msgr Wachter; building designed by MHM Brs Gregory & Alexander |
| 1954 | Priestly ordination of Deacon Tobias Chi in China |
| 1979 | Silver jubilee of Fr Chi |
| 1992 | Students camp at Crest Lok Kawi Aug 14-17 |
| 2004 | Golden jubilee of Fr Chi |
Aug 15
| 1860 | Milanese Missionaries Frs Antonio Riva & Ignacio Borgazzi leave Borneo for good |
| 1915 | Death of Fr Benedict Pundleider mhm |
| 1986 | 1st profession of Carmelite Novice Clare Manson of the Sacred Passion (Papar) |
| 1988 | Blessing of Marian Grotto/closing of Marian Year Open Air Mass Sandakan by Bp Lee |
| 1992 | Daily Eucharistic adoration starts in Tawau |
| 1993 | KK Diocesan Youth Day |
| 2011 | Silver jubilee of Sr Mary Clare Manson ocd |
| 2018 | Golden jubilee of Sr Cabrini Mobilik fsic. Common celebration with fellow silver and ruby jubilarians on Apr 21 SHC |
Aug 16
| 1936 | Death of Fr Vincent Halder mhm |
| 1989 | Death of Sr Mary Lee of Jesus ocd |
| Bible course by Fr Geno Hendricks Aug 16-20 SHC | |
| 1995 | Christian leadership course Tambunan Aug 16-30 |
| 2002 | Hari Warga Kampus 6 St Simon Likas Aug 16-18 |
| 2011 | OFM Friars John Wong & Carl Schaffer call on Abp Lee |
| 2018 | Fr Paul Lo assumed rectorship of Sacred Heart Cathedral KK |
Aug 17
| 1938 | 1st marriage solemnised at SHC, Philomena Shim Ah Mann & Nicholas Moo Yun Shin, by Fr Verhoeven mhm |
| 1949 | FSIC takes over the running of Stella Maris Primary from Mrs Van Houten |
| 1991 | Catechetical talks by Sr Celine Murphy in the different parishes |
| 2001 | Bible Apostolate retreat Aug 17-19 BTRC |
| 2002 | Final professions of FSIC Srs Frances William & Tina Basil officiated by Bp Lee St Catherine Inanam |
| 2003 | DSCC roadshow in Bundu Tuhan |
| 2017 | CWL Tg Aru celebrates golden jubilee |
Aug 18
| 1990 | Partnership signed between KK Diocese & Catholic Deanery of Heilbronn Germany at SHC |
| 1996 | 2nd East Malaysian Catholic Women Conference Kuching Aug 18-22 |
| 1998 | Blessing of Kg Ulu Tipoh Chapel by Bp Piong |
| 2017 | Re-dedication of St Michael’s Church Penampang by Abp Wong |
Aug 19
| 1973 | Blessing of new PUSKAT buildings by Bp Chung |
| 1977 | Catechetical seminar for teachers KK Seminary Aug 19-20 |
| 1989 | Blessing of St Leonard Home for boarders run by Sandakan Catholic Teachers Guild Sandakan by Fr Chi |
| 1995 | Bible workshop in Limbahau by Joseph Wong Aug 19-25 |
| 2002 | Talk on Islam by Fr Thomas Michel sj Aug 19-23 SHPC |
| 2003 | Inaugural ecumenical fellowship and prayer service by Sabah-Heilbronn Partnership Committee CDC |
Aug 21
| 1988 | CWL statewide choral competition |
| 1995 | Silver jubilee of Sr Francis Mani fsic Tg Aru |
Aug 22
| 1996 | 2nd KK Diocesan Youth Consultation Aug 22-25 BTRC |
Aug 23
| 2002 | KK Education Commission dialogue session with Sandakan educators |
Aug 24
| 1881 | Arrival of Msgr Jackson & Fr Kilty in Labuan |
| 1957 | Death of Fr Peter van der Besselaar mhm |
| 1979 | 8th PAX Assembly SHPH Aug 24-26 |
| 1998 | Arrival of Heilbronn ecumenical group |
Aug 25
| 1976 | Death of Sr Elizabeth fmsj, 78, in England |
| 1978 | Retreat for working youths outside KK by Fr Heuthorst mhm Aug 25-27, KK Seminary |
| 1995 | Silver jubilee of CWL Sandakan |
| Youth rally organised by SHC youth Aug 25-27 St Simon Educational Complex Likas |
Aug 26
| 1976 | La Salle Brothers take over St Martin Tampasak w/ Br Justin Mobilik as principal |
| 1977 | Inaugural youth assembly by Youth Commission Aug 26-28 KK Seminary |
| 1989 | CWL statewide biblical song competition |
| 2017 | KK hosts 9th East Malaysian Catholic Women’s Conference Pace Bene Aug 26-30 |
Aug 27
| 1993 | 21st PAX Assembly: Evangelisation begins in the Family facilitated by FSC Brs Anthony Rogers & John D’Cruz Aug 27-30 BTRC |
| 1994 | Silver jubilee of FSIC Srs Bernard Francis & Ann Marie Jolingau officiated by Bp Lee Stella Maris Tg Aru |
| 2017 | Walk for Jesus organised by Sabah Council of Churches and Prison Fellowship Ministry at Padang Merdeka KK |
| 2018 | Sandakan Diocesan Youth Festival |
Aug 28
| 1983 | Murder of Fr Peter de Wit in Kudat |
| Bp Fung appoints Fr John Lee as vicar general & parish priest of SHC KK | |
| 1987 | 16th PAX Assembly: The Christian Home Aug 28-30 BTRC |
| 2000 | Unveiling of the memorial plaque commemorating the 17th death anniversary of Fr de Wit in Kudat |
| 2003 | Blessing of foundation stone of SM La Salle Student Activity Centre by Fr Fundes Motiung |
Aug 29
| 1884 | Fr Goossens leaves for London |
| 1971 | Blessing of St Joseph Labuk Sandakan by Fr G Lampe mhm |
| 1972 | Bishop Emeritus Buis left Sabah for good |
| 1992 | 7th World Youth Day celebration Aug 29-30 CDC |
| 1998 | Seminar for Sunday School teachers Aug 29-30 CDC |
Aug 30
| 1974 | Inaugural reunion of ex-Martinians KK Seminary |
| 1986 | Death of Sr Philomena Theresa Amandus fsic, 44, of cancer |
| 1992 | Labuan Good Tidings Festival |
| 2017 | Archdiocesan Youth Consultation Aug 30-Sept 3 BTRC |
Aug 31
| 1989 | 18th PAX Assembly: Eucharist Source of Our Life Aug 31-Sept 3 BTRC |
| 1996 | End of Fr William Poilis’ tenure as rector of SPC Kuching |
| 2001 | Hari Warga Kampus 5 Aug 31-Sept 2 St Simon Likas |
| 2017 | Death of Fr Terry Burke mhm, 73, in London |