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Evergreen date guide

What is celebrated on October 15?

See the observances and verified observance-history milestones attached to October 15. Each observance keeps its own source and date details.

Verified history

On this date in observance history

Today in history →

Selected observance milestones connected to this date, based on reviewed sources.

2025
First observance

National Expense Report Day

The launch article presents National Expense Report Day as a new 2025 observance, and National Day Archives identifies Ramp as creator in 2025.

2021
Later action

Independence Day

Declared 28 May Independence Day; pre-law official material had listed 28 May as Republic Day.

2015
First observance

National Cheese Curd Day

Culver’s states that it created the first National Cheese Curd Day in 2015 and identifies October 15 as the annual date.

About this date

What this date contains

13 observances

Each observance is shown once in this view, with its own source and scope details available on the guide page.

0 repeat predictably

0 use a fixed annual date and 0 follow a reusable calendar rule.

0 are edition-specific

These dates are shown only for the year or edition that has been confirmed.

9 have a country-specific scope

Country-specific observances are not presented as worldwide events.

13 have in-depth guides

These pages include reviewed meaning, history, activities, facts and FAQs.

Curated global anchors

Major global guides on October 15

See the collection →

A reviewed starting point drawn from prominent global observances with strong institutional or organizer sources. Each observance keeps its own documented status and scope.

Reviewed depth

Other in-depth guides on October 15

Source-backedEdition SpecificIn-depth guide

Commemoration Day of the King Father (Norodom Sihanouk)

15 October 2026 · Cambodia / 2026 public-holiday calendar

Cambodian government 2026 holiday calendars identify 15 October as the Commemoration Day of the King Father, Norodom Sihanouk.

Source-backedFixed AnnualIn-depth guide

Fête de l’Évacuation

15 October annually · Tunisia statutory public-holiday and national-history context

Tunisia’s Presidential Decree No. 2021-223 lists Fête de l’Évacuation on 15 October as a one-day holiday for specified public-sector personnel and supersedes contrary earlier provisions inc…

Source-backedRule Based AnnualIn-depth guide

Get Smart About Credit Day

Third Thursday of October (15 October in 2026) · United States / American Bankers Association Foundation financial-education campaign

The American Bankers Association states that Get Smart About Credit Day is observed on the third Thursday in October; its current materials identify 15 October 2026.

Source-backedRule Based AnnualIn-depth guide

International ShakeOut Day

Third Thursday in October; 15 October in 2026 · Great ShakeOut earthquake drills / international participation

Great ShakeOut materials identify International ShakeOut Day as the third Thursday of October and promote earthquake drill participation

Source-backedFixed AnnualIn-depth guide

Mother’s Day in Malawi

15 October · Malawi / fixed statutory public holiday

Malawi’s Public Holidays Act schedule lists Mothers’ Day on 15 October as a public holiday. The consolidated schedule reflects later amendments, so the Act’s 1967 commencement is not treate…

Source-backedFixed AnnualIn-depth guide

National Cheese Curd Day

15 October · United States / Culver’s-created cheese-curd celebration

Culver’s states that it created National Cheese Curd Day in 2015 and celebrates it every October 15.

Explore the mix

Topics represented on October 15

All topics →
Civic, Remembrance & History 3Health, Wellness & Awareness 3Celebrations & Social 2Community, Causes & Advocacy 2Food, Drink & Hospitality 2Relationships & Family 1
13 observances

All observances on this date

Source-backedEdition SpecificIn-depth guide

Commemoration Day of the King Father (Norodom Sihanouk)

15 October 2026 · Cambodia / 2026 public-holiday calendar

Cambodian government 2026 holiday calendars identify 15 October as the Commemoration Day of the King Father, Norodom Sihanouk.

Source-backedFixed AnnualIn-depth guide

Fête de l’Évacuation

15 October annually · Tunisia statutory public-holiday and national-history context

Tunisia’s Presidential Decree No. 2021-223 lists Fête de l’Évacuation on 15 October as a one-day holiday for specified public-sector personnel and supersedes contrary earlier provisions inc…

Source-backedRule Based AnnualIn-depth guide

Get Smart About Credit Day

Third Thursday of October (15 October in 2026) · United States / American Bankers Association Foundation financial-education campaign

The American Bankers Association states that Get Smart About Credit Day is observed on the third Thursday in October; its current materials identify 15 October 2026.

Source-backedRule Based AnnualIn-depth guide

International ShakeOut Day

Third Thursday in October; 15 October in 2026 · Great ShakeOut earthquake drills / international participation

Great ShakeOut materials identify International ShakeOut Day as the third Thursday of October and promote earthquake drill participation

Source-backedFixed AnnualIn-depth guide

Mother’s Day in Malawi

15 October · Malawi / fixed statutory public holiday

Malawi’s Public Holidays Act schedule lists Mothers’ Day on 15 October as a public holiday. The consolidated schedule reflects later amendments, so the Act’s 1967 commencement is not treate…

Source-backedFixed AnnualIn-depth guide

National Cheese Curd Day

15 October · United States / Culver’s-created cheese-curd celebration

Culver’s states that it created National Cheese Curd Day in 2015 and celebrates it every October 15.

Source-backedFixed AnnualIn-depth guide

National Expense Report Day

15 October · United States / Ramp-created workplace-process campaign

Ramp’s October 15, 2025 first-party launch creates National Expense Report Day; National Day Archives independently identifies Ramp as creator in 2025 and records October 15 annual recurren…

Source-backedFixed AnnualIn-depth guide

National HSA Awareness Day

15 October · United States / WEX-created health-savings-account education campaign

WEX first-party releases identify October 15, 2019 as the inaugural National Health Savings Account Awareness Day and WEX continued marking HSA Day on October 15 through 2025. IRS materials…

Source-backedFixed AnnualIn-depth guide

National Latino AIDS Awareness Day (NLAAD)

15 October annually · United States / Latino HIV awareness campaign

Federal HIV/CDC sources identify October 15 as the annual National Latino AIDS Awareness Day and document the first observance in 2003. CDC states that the Latino Commission on AIDS and His…

Source-backedFixed AnnualIn-depth guide

National Lemon Bar Day

15 October · Informal named-founder observance recorded by National Day Archives

National Day Archives lists National Lemon Bar Day on October 15 and attributes its creation to Michael McCarthy in 2019.

Source-backedFixed AnnualIn-depth guide

Pregnancy and Infant Loss Remembrance Day

15 October in Canadian federal health recognition · Canada / federal health-awareness and remembrance recognition

Health Canada’s health-promotion calendar lists Pregnancy and Infant Loss Remembrance Day on 15 October, and federal public-health statements recognize the day.

Source-backedFixed AnnualIn-depth guide

White Cane Safety Day

15 October annually · United States / federal patriotic and national observance framework

36 U.S.C. §142 authorizes an annual presidential proclamation designating October 15 as White Cane Safety Day.

How dates are selected

This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.

Read the methodology →