First Greenpeace voyage
Greenpeace's own history records that the Phyllis Cormack, bearing the Greenpeace name, departed Vancouver on September 15, 1971 for the first Greenpeace voyage.
Date and recurrence
15 September 1971 founding-voyage anchor
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 International / Greenpeace organizational history. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
Also known as
Greenpeace 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
- Greenpeace International — Irving and Dorothy Stowe / movement historyCreator First Party
- Greenpeace Malaysia — Our HistoryCreator First Party
Frequently asked questions
When is First Greenpeace voyage?
15 September 1971 founding-voyage anchor The stored recurrence guidance is: Historical organization anchor: 15 September 1971; verify any present-year 'Greenpeace Day' designation separately.
Does First Greenpeace voyage fall on the same date every year?
The record is historical/legacy and is not treated as a currently recurring annual date.
Is First Greenpeace voyage an official public holiday?
The authority record verifies it within this scope: International / Greenpeace organizational history. 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 First Greenpeace voyage?
The stored designation basis is: Greenpeace's own history records that the Phyllis Cormack, bearing the Greenpeace name, departed Vancouver on September 15, 1971 for the first Greenpeace voyage.. Supporting provenance includes Greenpeace International — Irving and Dorothy Stowe / movement history. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is First Greenpeace voyage international or country-specific?
The record has international or global institutional scope: International / Greenpeace organizational history. That does not mean every country treats the date as a public holiday or observes it in the same way.
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.