Observance guideSource-backed

Long Tan Day (historical name; now Vietnam Veterans’ Day)2026 · Date · History · Messages

Australian War Memorial and Department of Veterans’ Affairs: historical Long Tan Day name; now Vietnam Veterans’ Day August 18

Annual dateReviewed 2026-10-08Sensitive topic

About Long Tan Day (historical name; now Vietnam Veterans’ Day)

Long Tan Day is the former name for Australia’s August 18 remembrance now officially known as Vietnam Veterans’ Day. The date recalls the 1966 Battle of Long Tan and now honors Australian personnel who served in the Vietnam War.

This is an Australian August observance and must not be confused with the separate U.S. National Vietnam War Veterans Day held on March 29.

Why Long Tan Day (historical name; now Vietnam Veterans’ Day) matters

The commemoration acknowledges service, death, injury and the effects of war on veterans and their families.

The historic name emphasizes the battle from which the observance developed; the present name recognizes all Australian Vietnam veterans rather than only people who fought at Long Tan.

History of Long Tan Day (historical name; now Vietnam Veterans’ Day)

On August 18, 1966, Australian and New Zealand service personnel fought a major battle at Long Tan. The Australian War Memorial documents annual remembrances connected to the battle.

The Australian War Memorial identifies the change in 1987 when Prime Minister Bob Hawke announced that Long Tan Day would be known as Vietnam Veterans’ Day. Department of Veterans’ Affairs guidance now uses the wider official title.

Origins & establishment

What the evidence establishes

Evidence & sources ↓

Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.

Current facilitator / coordinatorAustralian Department of Veterans’ Affairs, memorial institutions, ex-service groupsDVA documents contemporary August 18 remembrance.
Former nameLong Tan DayAustralian War Memorial identifies Long Tan Day as the former title.
Why this exact date?Anniversary of the Battle of Long Tan on August 18, 1966Australian War Memorial and DVA establish this link.
6 fields not established in reviewed sources
Originator / proposerReviewed legal, organizer and institutional sources do not establish this exact original lifecycle fact; no inference is made from later recognition or related events.
Proclaiming / establishing bodyThe Australian War Memorial identifies Bob Hawke’s 1987 renaming but not the original establishing authority for the earlier Long Tan Day. A renaming actor is not asserted as the founding authority.
Original establishing instrument / decisionReviewed legal, organizer and institutional sources do not establish this exact original lifecycle fact; no inference is made from later recognition or related events.
Original instrument adoption / decision dateReviewed legal, organizer and institutional sources do not establish this exact original lifecycle fact; no inference is made from later recognition or related events.
First observanceReviewed legal, organizer and institutional sources do not establish this exact original lifecycle fact; no inference is made from later recognition or related events.
Former dateReviewed legal, organizer and institutional sources do not establish this exact original lifecycle fact; no inference is made from later recognition or related events.
Source qualityHigh confidence
3 Primary institutional / legal
View all sources ↓
Names

Also known as

Long Tan Day

How to Observe Long Tan Day (historical name; now Vietnam Veterans’ Day)

01

Attend a locally announced commemorative service if it is accessible.

02

Read Australian War Memorial oral histories and Department of Veterans’ Affairs resources.

03

Offer respectful support to veterans and their families without assuming everyone shares the same experience of wartime service.

Long Tan Day (historical name; now Vietnam Veterans’ Day) Facts

Fact 01

Date: August 18 in Australia.

Fact 02

Battle of Long Tan: August 18, 1966.

Fact 03

The former name Long Tan Day changed to Vietnam Veterans’ Day in 1987.

Fact 04

Not identical to the United States March 29 Vietnam War veterans observance.

Long Tan Day (historical name; now Vietnam Veterans’ Day) Messages

May every veteran and bereaved family find respectful remembrance today.

Classification

Topic and context

Civic, Remembrance & History →
Accuracy notes

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

Evidence & sources

Source policy →

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.

Questions & connections

Understand it, compare it, then explore further

Start with the most common factual questions, then compare closely related observances and explore useful connections.

Reader questions

Frequently asked questions

When is Long Tan Day (historical name; now Vietnam Veterans’ Day)?

18 August The documented recurrence rule is: 18 August.

Does Long Tan Day (historical name; now Vietnam Veterans’ Day) fall on the same date every year?

Yes. It uses a fixed annual date unless stronger evidence changes the pattern.

Is Long Tan Day (historical name; now Vietnam Veterans’ Day) an official public holiday?

The reviewed sources verify it within this scope: Australian remembrance observance; “Long Tan Day” is the historical name now officially observed as Vietnam Veterans’ Day. 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 Long Tan Day (historical name; now Vietnam Veterans’ Day)?

The documented basis is: Australian War Memorial and Department of Veterans’ Affairs: historical Long Tan Day name; now Vietnam Veterans’ Day August 18. Supporting evidence includes Australian Department of Veterans’ Affairs — Battle of Long Tan commemoration. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is Long Tan Day (historical name; now Vietnam Veterans’ Day) international or country-specific?

No single country is assigned to this observance. Its documented scope is: Australian remembrance observance; “Long Tan Day” is the historical name now officially observed as Vietnam Veterans’ Day. 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 2026-10-08.

When is Long Tan Day?

August 18 each year in Australia.

What is it called now?

Vietnam Veterans’ Day is the current Australian commemorative name.

When did the name change?

The Australian War Memorial records the 1987 announcement.

Is it the same as the U.S. National Vietnam War Veterans Day?

No. The U.S. observance is March 29 and has a different national scope.

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