| The beginning of Government Officials' training (1949 - 1961) |
New era for COTI (Central Officials Training Institute) (In the 1960's) |
Started Saemaeul training In the 1970's |
Reform of education and training system (In the 1980's) |
| Globalization of government officials' training (In the 1990's) |
Enhancement of government officials' training (In the 2000's) |
New take-off stage! COTI renamed the National HRD Institute in 2016 (Present) |
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