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Evergreen date guide

What is celebrated on October 17?

See the observances and verified observance-history milestones attached to October 17. 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
Later action

Todos los Santos (All Saints’ Day)

The 2026 calendar records differing autonomous-community substitute-day treatment when November 1 falls on Sunday; this does not change the feast date itself.

About this date

What this date contains

8 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.

3 have a country-specific scope

Country-specific observances are not presented as worldwide events.

8 have in-depth guides

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

Curated global anchors

Major global guides on October 17

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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 17

Source-backedFixed AnnualIn-depth guide

Día de la Dignidad Nacional (Bolivia)

17 October · Bolivian national civic/historical commemoration established in relation to the events of October 2003

Bolivia’s Ministry of Foreign Affairs documents 17 October as Día de la Dignidad Nacional and records its establishment by law in 2013.

Source-backedRule Based AnnualIn-depth guide

International Raw Milk Cheese Appreciation Day

Third Saturday of October · Oldways Cheese Coalition / international food-culture campaign

Oldways says its Cheese Coalition created the annual International Raw Milk Cheese Appreciation Day in 2015 and celebrates it on the third Saturday of October.

Source-backedRule Based AnnualIn-depth guide

International Sloth Day

Third Saturday in October · international sloth-awareness and conservation observance with a creator-side third-Saturday-in-October rule and a documented current October 20 usage variant

AIUNAU states that it created International Sloth Day as a commitment from the first international meeting on sloth wellbeing and conservation in Medellín in November 2010 and set it for th…

Source-backedFixed AnnualIn-depth guide

National Black Poetry Day

17 October · United States / cultural-literary commemoration honoring Black poetry and Jupiter Hammon

New York legislative and SUNY Plattsburgh records trace Black Poetry Day to Stanley Ransom in 1970, observed on October 17 for Jupiter Hammon’s birthday; later state resolutions recognize t…

Source-backedFixed AnnualIn-depth guide

National Catholic Men’s Conference Day

17 October · United States / Catholic men’s conference network initiative

The initiative’s first-party site identifies October 17 as National Catholic Men’s Conference Day and describes its U.S. Catholic men’s conference-network purpose. It is not treated as a Va…

Explore the mix

Topics represented on October 17

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Arts, Entertainment & Lifestyle 2Celebrations & Social 1Community, Causes & Advocacy 1Food, Drink & Hospitality 1Animals, Nature & Environment 1Faith, Tradition & Spirituality 1Relationships & Family 1
8 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Día de la Dignidad Nacional (Bolivia)

17 October · Bolivian national civic/historical commemoration established in relation to the events of October 2003

Bolivia’s Ministry of Foreign Affairs documents 17 October as Día de la Dignidad Nacional and records its establishment by law in 2013.

Source-backedRule Based AnnualIn-depth guide

International Raw Milk Cheese Appreciation Day

Third Saturday of October · Oldways Cheese Coalition / international food-culture campaign

Oldways says its Cheese Coalition created the annual International Raw Milk Cheese Appreciation Day in 2015 and celebrates it on the third Saturday of October.

Source-backedRule Based AnnualIn-depth guide

International Sloth Day

Third Saturday in October · international sloth-awareness and conservation observance with a creator-side third-Saturday-in-October rule and a documented current October 20 usage variant

AIUNAU states that it created International Sloth Day as a commitment from the first international meeting on sloth wellbeing and conservation in Medellín in November 2010 and set it for th…

Source-backedFixed AnnualIn-depth guide

National Black Poetry Day

17 October · United States / cultural-literary commemoration honoring Black poetry and Jupiter Hammon

New York legislative and SUNY Plattsburgh records trace Black Poetry Day to Stanley Ransom in 1970, observed on October 17 for Jupiter Hammon’s birthday; later state resolutions recognize t…

Source-backedFixed AnnualIn-depth guide

National Catholic Men’s Conference Day

17 October · United States / Catholic men’s conference network initiative

The initiative’s first-party site identifies October 17 as National Catholic Men’s Conference Day and describes its U.S. Catholic men’s conference-network purpose. It is not treated as a Va…

Source-backedRule Based AnnualIn-depth guide

Sweetest Day

Third Saturday in October (17 October in 2026) · United States / regional relationship-and-kindness observance

Hallmark states that Sweetest Day is always observed on the third Saturday in October and gives October 17 for 2026.

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 →