ARPANET first-message anniversary
DARPA says the first computer-to-computer signal on ARPANET was sent between UCLA and Stanford Research Institute on October 29, 1969. The SEO title is treated as a historical-anniversary alias, not a government-designated national day.
Date and recurrence
29 October 1969
This is retained as historical or legacy evidence. The site does not assume that the observance still recurs today.
Scope and status
The verified scope stored for this record is United States / DARPA internet-history context. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
Also known as
National Internet Day
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
- Refresh the target year before publishing a new date when the record is not safely portable.
- Historical Context Only.
Sources
- DARPA — ARPANETFederal Agency
Frequently asked questions
When is ARPANET first-message anniversary?
29 October 1969 The stored recurrence guidance is: Historical ARPANET anniversary: 29 October 1969.
Does ARPANET first-message anniversary fall on the same date every year?
The record is historical/legacy and is not treated as a currently recurring annual date.
Is ARPANET first-message anniversary an official public holiday?
The authority record verifies it within this scope: United States / DARPA internet-history context. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when the supporting authority record explicitly does so.
Who established or recognizes ARPANET first-message anniversary?
The stored designation basis is: DARPA says the first computer-to-computer signal on ARPANET was sent between UCLA and Stanford Research Institute on October 29, 1969. The SEO title is treated as a historical-anniversary alias, not a government-designated national day.. Supporting provenance includes DARPA — ARPANET. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is ARPANET first-message anniversary international or country-specific?
This authority record is country-scoped to United States. Its fuller verified scope is: United States / DARPA internet-history context.
How is this page verified?
The factual layer is source-backed and keeps its date rule, scope, provenance and editorial guardrails attached to the authority record. This record was checked on 2026-09-09.