ARPANET First Message

Name: ARPANET First Message
Start: 1969-10-29
Location: UCLA (Leonard Kleinrock's lab), Los Angeles, California, USA

The first message was sent from UCLA to SRI (Stanford Research Institute), initiating the Advanced Research Projects Agency Network (ARPANET). The message was meant to be 'LOGIN', but the system crashed after 'LO'.

Significance

Established the fundamental network infrastructure that would later host email and eventually evolve into the internet.

Key facts

Date: 1969-10-29
Type: milestone
Location: UCLA (Leonard Kleinrock's lab), Los Angeles, California, USA