One Boston Day
City of Boston mayoral proclamation
Date and recurrence
15 April
This authority record treats the observance as a fixed annual date. The same month and day can be reused unless a stronger source changes the rule.
Scope and status
The verified scope stored for this record is City of Boston annual civic day. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
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.
Sources
- Boston.gov — Permanent One Boston Day designationMunicipal Proclamation
Frequently asked questions
When is One Boston Day?
15 April The stored recurrence guidance is: 15 April.
Does One Boston Day fall on the same date every year?
The authority record classifies it as fixed annual, so its month and day are reusable unless stronger evidence changes the rule.
Is One Boston Day an official public holiday?
The authority record verifies it within this scope: City of Boston annual civic day. 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 One Boston Day?
The stored designation basis is: City of Boston mayoral proclamation. Supporting provenance includes Boston.gov — Permanent One Boston Day designation. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is One Boston Day international or country-specific?
No single country is assigned to this record in the authority dataset. The source-defined scope is: City of Boston annual civic day. Use that scope rather than assuming worldwide or country-specific status.
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 2026-09-05.
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