04,1950  CAS established the Division of Book Management for Scientific Information
02,1951  officially named Library of Chinese Academy of Sciences(LCAS)
09,1957  The Member of the First National Central Library Co- mmittee, approved by 57th Session of the State Council
11,1985  The name changed to Documentation and Information Cent- er with continued use of the name LCAS
06,2000  LCAS Participates in the CAS knowledge Innovation Project
12,2001  LCAS initiates the Chinese Science Digital Library(C SDL) Project
06,2002  LCAS new building facilities was put into service
03,2006  The name changed to National Science Library, Chinese Academy of Sciences