- Jan 2017 Launched KNOU planner and stationery
- Sep 2016 Started to publish digital textbooks (ePUb 2.0)
- Dec 2014 Developed digital textbooks on a trial basis (ePUb 3.0)
- Dec 2008 Launched ‘ARORI Series’, pocket book
- July 2007 Started to publish workbooks
- Feb 2006 Launched ‘Episteme’, scholarly book brand
- May 2004 Launched ‘Wings of Knowledge’, liberal book brand
- July 2001 Started to produce recorded lectures in MP3-CDs
- July 1998 Started to produce learning materials in CD-ROMs
- May 1992 Reorganized as a corporation
- Feb 1984 Started to produce recorded lectures into audio cassette tapes
- Feb 1983 Started to publish textbooks for the Open University
- July 1982 Korea National Open University Press was established
