Birth of the Internet

From ARPANET’s first packet-switched link to the protocols that eventually wired the planet together.

Core Principles & Analysis

• The first ARPANET message, sent UCLA to Stanford on 29 October 1969, crashed after the letters "LO".
• The network switched to Cerf and Kahn’s TCP/IP on 1 January 1983.
• Tim Berners-Lee’s World Wide Web, built at CERN in 1989-91, made the internet navigable for everyone.

Specifications & Metrics

• YEAR: 1969