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Evergreen date guide

What is celebrated on September 22?

See the observances and verified observance-history milestones attached to September 22. 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.

2018
First observance

National Girls' Night In Day

The 20 September 2018 brand release says the observance would make its official debut on September 22.

2010
Later action

Elephant Appreciation Day

Published an institutional feature under the Elephant Appreciation Day name on the recurring date.

1996
First observance

Elephant Appreciation Day

Creator-origin references consistently identify 1996 as the start and September 22 as the annual date.

1978
Institutional decision

National Good Neighbor Day

President Carter issued Proclamation 4601 on 22 September 1978; Public Law 95-389 was approved on 29 September 1978 after the designated day.

1959
Later action

Child Health Day

Changed Child Health Day from May 1 to the first Monday in October, effective January 1, 1960.

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.

Reviewed depth

Other in-depth guides on September 22

Source-backedFixed AnnualIn-depth guide

Elephant Appreciation Day

22 September · Informal elephant-appreciation observance documented by zoo and Smithsonian institutional sources

Creator-linked archival references and current wildlife/institutional sources support Wayne Hepburn / Mission Media-WildHeart Productions, a 1996 start and annual September 22 use; exclusiv…

Source-backedFixed AnnualIn-depth guide

National Girls' Night In Day

22 September · United States / Ketel One Botanical brand-created observance

National Day Calendar’s proclamation archive states that Ketel One Botanical founded the observance in 2018 and set it annually for September 22.

Source-backedFixed AnnualIn-depth guide

Proclamation of Independence

22 September · Mali

Mali government material marks September 22 as the anniversary of accession to independence; a contemporaneous UN record states that Act No. 60-35/AL/RS of September 22, 1960 proclaimed the…

Source-backedFixed AnnualIn-depth guide

World Rhino Day

22 September · international rhino awareness and conservation observance

World Rhino Day’s official history records WWF-South Africa’s 2010 announcement and a 2011 international expansion led by Lisa Jane Campbell and Rhishja; September 22 remains the annual dat…

Explore the mix

Topics represented on September 22

All topics →
Workplace, Professions & Appreciation 1Community, Causes & Advocacy 1Civic, Remembrance & History 1Animals, Nature & Environment 1
4 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Elephant Appreciation Day

22 September · Informal elephant-appreciation observance documented by zoo and Smithsonian institutional sources

Creator-linked archival references and current wildlife/institutional sources support Wayne Hepburn / Mission Media-WildHeart Productions, a 1996 start and annual September 22 use; exclusiv…

Source-backedFixed AnnualIn-depth guide

National Girls' Night In Day

22 September · United States / Ketel One Botanical brand-created observance

National Day Calendar’s proclamation archive states that Ketel One Botanical founded the observance in 2018 and set it annually for September 22.

Source-backedFixed AnnualIn-depth guide

Proclamation of Independence

22 September · Mali

Mali government material marks September 22 as the anniversary of accession to independence; a contemporaneous UN record states that Act No. 60-35/AL/RS of September 22, 1960 proclaimed the…

Source-backedFixed AnnualIn-depth guide

World Rhino Day

22 September · international rhino awareness and conservation observance

World Rhino Day’s official history records WWF-South Africa’s 2010 announcement and a 2011 international expansion led by Lisa Jane Campbell and Rhishja; September 22 remains the annual dat…

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 →