- 1949
- The first civil service examination held according to the Decree on the Higher Civil Service Examination and the Decree on the General Civil Service Examination
- 1973
- Academic and work experience eligibility requirements abolished for Civil Service Examination
- 1989
- A separate recruitment target for the disabled instituted
- 1996
- Recruitment target for women introduced
- 2001
- Questions of the preliminary test of the Public Administration Examination opened to the public
- 2002
- Questions of the secondary test of the Public Administration Examination opened to the public
- 2003
- Recruitment target for women changed to the employment targets for gender equality
- 2004
- The Public Service Aptitude Test (PSAT) introduced as part of the Foreign Service Examination
- 2005
- Recruitment for Grade 6 of recommended regional talent introduced, the PSAT introduced as part of the Public Administration Examination
- 2007
- Recruitment target for regional talent introduced in the Public Administration Examination, written-test questions of the Open Competitive Examinations for Grade 7 and Grade 9 opened to the public
- 2008
- Special recruitment examination for the disabled introduced
- 2009
- A separate recruitment target for those from low-income groups instituted, the upper age limit abolished for Civil Service Examination
- 2010
- Recruitment for Grade 6 of recommended regional talent changed to recruitment for Grade 7
- 2011
- The name of the Public Administration Examination changed to the Open Competitive Examinations for Grade 5, the career recruitment examination for experienced personnel from the private sector for Grade 5 introduced
- 2012
- Recruitment for Grade 9 of recommended regional talent introduced
- 2015
- Recruitment target for regional talent introduced in the Open Competitive Examination for Grade 7, the Career recruitment examination for experienced personnel from the private sector for Grade 7 introduced
- 2016
- Extra points (3%, 5%) introduced for family members or descendents of persons killed or wounded for a righteous cause in the Open Competitive Examinations for Grade 7 and Grade 9
- 2021
- PSAT introduced as part of the Open Competitive Examinations for Grade 7