Internet Timeline-Letong Li



Leonard Kleinrock first wrote about APPANET

Approx. 1961

In 1961, he wrote about ARPANET, the predecessor of the Internet, in a paper entitled “Information Flow in Large Communication Nets.” Kleinrock, along with other innnovators such as J.C.R. Licklider, the first director of the Information Processing Technology Office (IPTO), provided the backbone for the ubiquitous stream of emails, media, Facebook postings and tweets

Packet Switchig

Approx. 1965

Two computers at MIT Lincoln Lab communicate with one another using packet-switching technology.

Ray Tomlinson introduced network email


Global networking


Global networking becomes a reality as the University College of London (England) and Royal Radar Establishment (Norway) connect to ARPANET. The term Internet is born.

The first Internet Service Provider (ISP) is born


with the introduction of a commercial version of ARPANET, known as Telenet.

TCP/IP, emerge as the protocol for ARPANET.


Transmission Control Protocol (TCP) and Internet Protocol (IP), as the protocol suite, commonly known as TCP/IP, emerge as the protocol for ARPANET. This results in the fledgling definition of the Internet as connected TCP/IP internets. TCP/IP remains the standard protocol for the Internet.

Tim Berners-Lee developed HyperText Markup Language (HTML).


Tim Berners-Lee, a scientist at CERN, the European Organization for Nuclear Research, develops HyperText Markup Language (HTML). This technology continues to have a large impact on how we navigate and view the Internet today.

Tim Berners-Lee-First web browser


The first web browser was invented in 1990 by Sir Tim Berners-Lee. Berners-Lee is the director of the World Wide Web Consortium (W3C), which oversees the Web's continued development, and is also the founder of the World Wide Web Foundation. His browser was called WorldWideWeb and later renamed Nexus.



Facebook goes online and the era of social networking begins. launches


Twitter and Facebook play a large role in the Middle East revolts.