| 1966 |
NSW Coal Preparation Society formed and first meeting held. |
| 1967 |
Queensland Branch formed. |
| 1970 |
Regular Preliminary Coal Preparation Courses initiated. |
| 1976 |
Seventh International Coal Preparation Congress held in Sydney. Modern Coal Preparation Courses first offered. |
| 1977 |
First Residential Modern Coal Preparation Course. |
| 1981 |
First Australian Coal Conference, Newcastle. |
| 1983 |
Seminar for NERDDC Coal Preparation Related Projects, Sydney. Second Australian Coal Preparation Conference, Rockhampton. |
| 1985 |
Publication of “An Introduction to Coal Preparation” textbook. Third Australian Coal Preparation Conference, Wollongong. |
| 1987 |
Co-sponsored with AUSIMM Dense Medium Operators’ Conference, Brisbane. |
| 1989 |
Fourth Australian Coal Preparation Conference, Gladstone. Australian Coal Preparation Society formed by the amalgamation of NSW and Queensland Societies. |
| 1991 |
Fifth Australian Coal Preparation Conference, Newcastle. Presentation of First Life Memberships |
| 1992 |
Publication of first volume of Advanced Coal Preparation Monograph Series. Reprint of “An Introduction to Coal Preparation”. |
| 1993 |
Sixth Australian Coal Preparation Conference, Mackay. |
| 1994 |
Coal Dewatering – A Review of Current Knowledge Seminar, Newcastle. |
| 1995 |
Seventh Australian Coal Preparation Conference, Mudgee. |
| 1996 |
Coal Flotation – A Review of Current Practice Symposium, Brisbane. |
| 1997 |
Recent Developments in Gravity Separators Seminar, Newcastle. |
| 1997 |
International Perspectives on Coal Preparation Symposium, Brisbane |
| 1998 |
Regular Introductory Coal Preparation Courses initiated in Queensland. |
| 1998 |
Thirteenth International Coal Preparation Congress, Brisbane. |
| 2000 |
Eighth Australian Coal Preparation Conference, Port Stephens. |
| 2001 |
First revision of Advanced Monograph series published. |
| 2002 |
Ninth Australian Coal Preparation Conference, Yeppoon. |
| 2003 |
Engagement of a permenent staff member for National Secretariat. |
| 2004 |
Tenth Australian Coal Preparation Conference, Pokolbin. |
| 2005 |
Reorganisation and rationalisation of Society administration and finances onto a National basis. |
| 2006 |
Engaged a staff member to take care of accounting. |
| 2007 |
Eleventh Australian Coal Preparation Conference, Twin Waters. |
| 2008 |
Twelfth Australian Coal Preparation Conference, Darling Harbour, Sydney. |
| 2010 |
Australian Coal Industry Reference Samples (ACIRS) – MOU established with ACARP/industry and operations commenced. |
| 2010 |
Thirteenth Australian Coal Preparation Conference, Mackay. |
| 2012 |
Delivery of coal preparation courses in Canada. |
| 2012 |
Fourteenth Australian Coal Preparation Conference, Canberra, ACT. |
| 2013 |
Publication of ACARP Dense Medium Cyclone Handbook. |
| 2013 |
Purchase, refurbishment and establishment of ACPS Offices in Broadmeadow. |
| 2014 |
Fifteenth Australian Coal Preparation Conference, Gold Coast. |
| 2016 |
Sixteenth Australian Coal Preparation Conference, Wollongong. |