1986 Announced the compilation of Korean dictionary and organized the Korean Dictionary Compilation Society
1988 Published the first issue of an academic journal on lexicography
1989 Opened Yonsei University’s Korean Dictionary Institute
1990 Built the first Korean corpus
1997 Opened the Interdisciplinary Graduate Program of Linguistics and Informatics
1998 Published Yonsei Korean Dictionary
1998 Yonsei University’s Korean Dictionary Institute was expanded to Center for of Linguistic informatics Development
2000 Published the online version of Yonsei Korean Dictionary
2000 Opened the first Academy on Informatization of Korean
2001 Leading the founding of Korealex (Korean Association for Lexicography
2002 Published Learner's Dictionary of Korean
2002 Published Yonsei Elementary Korean Dictionary
2002 Announced the start of compilation
2002 Center for of Linguistic informatics Developmentis renamed Institute of Language and Information Studies
2007 Published Korean Collocation Dictionary for Korean Language Education
2007 Published Yonsei Elementary English-Korean Dictionary
2008 Started service of primary dictionary series(korean, English, Chinese characters) on a portal site(Daum Co., Ltd.)
2017 Held academic conference to commemrate the 30th anniversary of Yonsei University's Korean Dictionary Institute