The World Wide Web

1989

original proposal from Tim Berners-Lee at CERN for a "Web" of linked documents. Prototype followed soon after.
 

December 1991

First public demonstration.
 

February 1993

Mosaic (first alpha version, see also here) released by NCSA. First fully operational, multiplatform version released in September. Awareness of WWW project growing.
 

February 1994

We (Department of IT) start running a Web server on machine ironbark. at Bendigo (first regional institute in Australia to do so, and in the first 10 nationally!) Rah, Rah!
 

Early 1995

Netscape Communications releases Netscape Navigator 1.1 (see also here). The rest, as they say, is history.