Vannevar Brush proposes hypertext

ARPANET comes online

Ted Nelson coins the term "Hypertext"

Tim Berners-Lee writes ENQUIRE, a notebook program allowing links to be made between nodes with titles

Tim Berners-Lee’s Information Management proposal became WWW

HTML defined

CERN (Switzerland) releases WWW

First browser: NCSA Mosaic

First widely used commercial browser: Netscape

Specifies the shared communication protocols over network

• Application layer

• Transport layer

• Internet layer

• Link layer