League of Nations founding/entry-into-force anniversary
United Nations treaty archives document League membership dates beginning 10 January 1920 and the termination of League activities on 18 April 1946.
Date and recurrence
10 January 1920 is the Covenant’s entry-into-force and original-member date context; League activities terminated 18 April 1946
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 Historical international-organization anniversary. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
Also known as
League of Nations 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.
- Remembrance Civic Context Care.
Sources
Frequently asked questions
When is League of Nations founding/entry-into-force anniversary?
10 January 1920 is the Covenant’s entry-into-force and original-member date context; League activities terminated 18 April 1946 The stored recurrence guidance is: Historical/legacy date context only; do not assume current annual recurrence: 10 January 1920 is the Covenant’s entry-into-force and original-member date context; League activities terminated 18 April 1946.
Does League of Nations founding/entry-into-force anniversary fall on the same date every year?
The record is historical/legacy and is not treated as a currently recurring annual date.
Is League of Nations founding/entry-into-force anniversary an official public holiday?
The authority record verifies it within this scope: Historical international-organization anniversary. 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 League of Nations founding/entry-into-force anniversary?
The stored designation basis is: United Nations treaty archives document League membership dates beginning 10 January 1920 and the termination of League activities on 18 April 1946.. Supporting provenance includes United Nations Treaty Collection — League of Nations historical information. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is League of Nations founding/entry-into-force anniversary international or country-specific?
The record has international or global institutional scope: Historical international-organization anniversary. 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 2026-09-07.