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Communications · Recorded milestone

ARPANET

Recorded year1969

The first wide-area packet-switched network links UCLA and Stanford Research Institute.

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Built on

Led to

Network emailRecorded · 1971enables
Project Gutenberg e-textsRecorded · 1971enables
TCP/IPRecorded · 1974enables
Contract Net task biddingRecorded · 1980enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.