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Index/Organizations/ARPANET

ARPANET

Early packet switching network (1969–1990)

Fact-Checks

2 results
Jan 30, 2026

What archival evidence exists (logs, memos, photographs) documenting the University College London‑to‑ARPANET transatlantic connection on 25 July 1973?

Contemporary archival traces of the transatlantic connection that linked ) into exist in a mix of institutional histories, technical papers and scanned topology diagrams rather than a single canonical...

Jan 30, 2026

First internet message across Atlantic

The phrase “” most accurately refers to ’s first transatlantic packet‑switched link on 25 July 1973, when a computer at exchanged packets with machines in , creating the first data‑network span betwee...