1853 – Microphotography invented by John Dancer

1940 - Chester Carlson takes out patent on his electro-photography machine

1970 - 3M Library Systems installs the first 'tattle tape' system at St. Paul Public Library.

1995 - August 8, 1995 Netscape, the first web browser for the general public is released. It has since changed information accessibility and according to Thomas L.  Friedman in ''The World is Flat'' "the world has not been the same since." (p. 56)

1999- Establishment of the American Newspaper Repository