The ALA (Actually The ACRL) has put together Over 100 years of progress, a list of milestones of academic librarianship.
They run from 1876
• American Library Association founded in Philadelphia, Pennsylvania. Among its founders were three major figures in American librarianship: Justin Winsor, William Frederick Poole, and Melvil Dewey.
Up to 1998
• Digital Millennium Copyright Act of 1998 and Copyright Term Extension Act.
They seem to have missed, Nov 2 1999, LISNews is launched