“OHI” Day / 28 October anniversary2026 · Date · History · Messages
Hellenic Ministry of Foreign Affairs
About “OHI” Day / 28 October anniversary
Ohi Day (also written Ochi Day) is observed in Greece on October 28, commemorating Greece’s rejection of the 1940 Italian ultimatum.
It is a national civic remembrance and a compulsory public holiday under current Greek labour law; regulations apply in Greece, not internationally.
Why “OHI” Day / 28 October anniversary matters
The name is associated with the Greek word for “no” and the country’s entry into the Second World War.
Greek communities may mark the anniversary with ceremonies or public remembrance, while contemporary interpretation should respect the full historical context.
History of “OHI” Day / 28 October anniversary
October 28 recalls Greece’s rejection of the Italian ultimatum in 1940 and the subsequent wartime events, rather than the date of a modern international designation.
Current Greek Labour Ministry and Labour Inspectorate resources list October 28 among compulsory public holidays under Article 60 of Law 4808/2021. An older government information page describes a former optional classification; the updated 2021 legal rule governs the present account.
How the observance developed
This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.
Hellenic legislature, for current compulsory public-holiday classification
Article 60 of Greek Law 4808/2021, compulsory-public-holiday status
Greek public and civic institutions in their respective jurisdictions
Greek ministries and government maintain public holiday rules; no single organizer for all civic ceremonies is established.
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
5 fields not established in reviewed sources
Also known as
Ohi Day
How to Observe “OHI” Day / 28 October anniversary
Use museum, diplomatic or official Greek historical resources when preparing an October 28 educational activity.
Consider respectful remembrance and the historical experiences of different communities affected by war.
For employment or closure questions, consult Greece’s current legal guidance and relevant local authorities rather than generalizing rules outside Greece.
“OHI” Day / 28 October anniversary Facts
Ohi Day falls on October 28 each year in Greece.
Current Greek labour law includes October 28 among compulsory public holidays for the covered workplace categories.
The commemoration concerns events of October 1940, not a UN or worldwide public holiday.
“OHI” Day / 28 October anniversary Messages
Remembering a difficult past calls for context and respect.
Local civic ceremonies can encourage thoughtful reflection.
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.
- Remembrance Civic Context Care.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
Greek Labour Ministry (opens in a new tab)
Hellenic Labour Inspectorate (opens in a new tab)
Hellenic Ministry of Foreign Affairs — 2026 holiday calendar (opens in a new tab)
National Government Diplomatic Calendar
Hellenic government older guidance showing former optional classification; superseded by later rule (opens in a new tab)
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is “OHI” Day / 28 October anniversary?
28 October The documented recurrence rule is: 28 October.
Does “OHI” Day / 28 October anniversary fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is “OHI” Day / 28 October anniversary an official public holiday?
The reviewed sources verify it within this scope: Greek national commemoration. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.
Who established or recognizes “OHI” Day / 28 October anniversary?
The reviewed sources identify Hellenic legislature, for current compulsory public-holiday classification as the proclaiming or establishing body. Current facilitation or coordination is recorded as Greek public and civic institutions in their respective jurisdictions.
Is “OHI” Day / 28 October anniversary international or country-specific?
No single country is assigned to this observance. Its documented scope is: Greek national commemoration. Use that scope rather than assuming worldwide or country-specific status.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-06.
When is Ohi Day?
October 28 every year.
Is Ohi Day a public holiday?
Yes, Greece’s current labour guidance lists October 28 as a compulsory public holiday for covered workplaces; outside Greece no general holiday entitlement follows.
What does the day commemorate?
Greece’s rejection of an Italian ultimatum on October 28, 1940.
Is the date the same each year?
Yes, it is a fixed calendar anniversary on October 28.
Other observances on October 28
These observances are also listed on October 28, 2027.
Independent Czechoslovak State Day
Czech Act No. 245/2000 currently lists 28 October, Den vzniku samostatného československého státu, as a state holiday; Czech MFA material anchors the date to the establishment of Czechoslov…
International Animation Day
ASIFA — International Animated Film Association
National First Responders Day
The U.S. Fire Administration recognizes 28 October as National First Responders Day; presidential proclamation records also use that date for national recognition.
World Judo Day
International Judo Federation primary sources verify the first World Judo Day on 28 October 2011, annual IJF stewardship and the October 28 Jigoro Kano birthday rationale.