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Evergreen date guide

What is celebrated on November 16?

See the observances and verified observance-history milestones attached to November 16. 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.

2015
Institutional decision

African World Heritage Day

UNESCO World Heritage Centre records that the 38th General Conference adopted the resolution proclaiming the Day on 16 November 2015.

2012
Later action

National Holiday of the Turkmen Horse

Established a recurring framework for competitions associated with the holiday, including the Akhal-Teke beauty competition and creative contests.

1999
Institutional decision

World Poetry Day

The UNESCO General Conference record states that Resolution 29 was adopted at the 25th plenary meeting on 16 November 1999.

1995
Institutional decision

International Day for Tolerance

UNESCO records 16 November 1995 as the adoption date of the Declaration of Principles on Tolerance at its 28th General Conference.

1995
First observance

Use Less Stuff Day

EPA explicitly calls November 16, 1995 the first annual ULS (Use Less Stuff) Day.

About this date

What this date contains

4 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.

2 have a country-specific scope

Country-specific observances are not presented as worldwide events.

4 have in-depth guides

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

Curated global anchors

Major global guides on November 16

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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 November 16

Source-backedFixed AnnualIn-depth guide

National Black Marketers Day

16 November · United States / Black Marketers Coalition-created professional recognition observance

Black Marketers Coalition first-party material announces creation of National Black Marketers Day and annual November 16 observance; the creator registry dates creation to September 2021.

Source-backedFixed AnnualIn-depth guide

National Indiana Day

16 November · United States / National Day Calendar National State Days series — Indiana

National Day Calendar lists its private National Indiana Day on November 16. Indiana law separately designates December 11 as Indiana Day for the statehood anniversary, while federal and In…

Explore the mix

Topics represented on November 16

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Community, Causes & Advocacy 1Food, Drink & Hospitality 1Workplace, Professions & Appreciation 1Civic, Remembrance & History 1
4 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

National Black Marketers Day

16 November · United States / Black Marketers Coalition-created professional recognition observance

Black Marketers Coalition first-party material announces creation of National Black Marketers Day and annual November 16 observance; the creator registry dates creation to September 2021.

Source-backedFixed AnnualIn-depth guide

National Indiana Day

16 November · United States / National Day Calendar National State Days series — Indiana

National Day Calendar lists its private National Indiana Day on November 16. Indiana law separately designates December 11 as Indiana Day for the statehood anniversary, while federal and In…

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 →