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What is celebrated on May 9?

See the observances and verified observance-history milestones attached to May 9. 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.

1945
First observance

Victory Day

The 8 May 1945 decree declared the following day, 9 May, the Victory holiday, and the Presidential Library’s collection documents the 1945 observance.

About this date

What this date contains

11 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.

11 have in-depth guides

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

Reviewed depth

Other in-depth guides on May 9

Source-backedFixed AnnualIn-depth guide

Europe Day

9 May · European Union observance

European Union and European Commission

Source-backedRule Based AnnualIn-depth guide

International CdLS Awareness Day

Second Saturday in May; 9 May 2026 · International / CdLS Foundation awareness observance

The CdLS Foundation says International CdLS Awareness Day is observed on the second Saturday in May each year and lists the 2026 edition for 9 May.

Source-backedRule Based AnnualIn-depth guide

Letter Carriers’ Stamp Out Hunger® Food Drive

Second Saturday of May · United States and participating U.S. postal jurisdictions / National Association of Letter Carriers annual food drive

NALC states that its annual Letter Carriers’ Stamp Out Hunger® Food Drive launched in 1993 and is held on the second Saturday in May. NALC also states that branch, rural-office and individu…

Source-backedFixed AnnualIn-depth guide

Liberation Day

9 May annually; 2026 public-holiday schedule verified · Guernsey / public holiday and liberation remembrance

Official Liberation Day Guernsey material verifies annual May 9 observance, current States of Guernsey Sport and Culture management and the 1945 liberation context.

Source-backedRule Based AnnualIn-depth guide

National Dog Mom’s Day

Second Saturday of May (9 May in 2026) · United States / dog-caregiver appreciation observance

Current pet calendars consistently place National Dog Mom’s Day on the second Saturday in May; the observance is traced to a 2018 launch associated with Dig.

Source-backedEdition SpecificIn-depth guide

O. Henry Museum Pun-Off World Championships

9 May in 2026 · Austin, Texas / annual O. Henry Museum pun competition

Official Pun-Off and Brush Square Museums pages verify that the event began in 1977, is an annual Austin pun competition, and that the 49th edition was held on 9 May 2026. The exact annual…

Explore the mix

Topics represented on May 9

All topics →
Community, Causes & Advocacy 4Civic, Remembrance & History 2Arts, Entertainment & Lifestyle 2Health, Wellness & Awareness 1Relationships & Family 1Animals, Nature & Environment 1
11 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Europe Day

9 May · European Union observance

European Union and European Commission

Source-backedRule Based AnnualIn-depth guide

International CdLS Awareness Day

Second Saturday in May; 9 May 2026 · International / CdLS Foundation awareness observance

The CdLS Foundation says International CdLS Awareness Day is observed on the second Saturday in May each year and lists the 2026 edition for 9 May.

Source-backedRule Based AnnualIn-depth guide

Letter Carriers’ Stamp Out Hunger® Food Drive

Second Saturday of May · United States and participating U.S. postal jurisdictions / National Association of Letter Carriers annual food drive

NALC states that its annual Letter Carriers’ Stamp Out Hunger® Food Drive launched in 1993 and is held on the second Saturday in May. NALC also states that branch, rural-office and individu…

Source-backedFixed AnnualIn-depth guide

Liberation Day

9 May annually; 2026 public-holiday schedule verified · Guernsey / public holiday and liberation remembrance

Official Liberation Day Guernsey material verifies annual May 9 observance, current States of Guernsey Sport and Culture management and the 1945 liberation context.

Source-backedRule Based AnnualIn-depth guide

National Dog Mom’s Day

Second Saturday of May (9 May in 2026) · United States / dog-caregiver appreciation observance

Current pet calendars consistently place National Dog Mom’s Day on the second Saturday in May; the observance is traced to a 2018 launch associated with Dig.

Source-backedEdition SpecificIn-depth guide

O. Henry Museum Pun-Off World Championships

9 May in 2026 · Austin, Texas / annual O. Henry Museum pun competition

Official Pun-Off and Brush Square Museums pages verify that the event began in 1977, is an annual Austin pun competition, and that the 49th edition was held on 9 May 2026. The exact annual…

Source-backedFixed AnnualIn-depth guide

Victory Day

9 May · Russia / national military and historical commemoration

The 8 May 1945 Soviet decree preserved by the Presidential Library declared 9 May the Victory holiday; current Russian labour-law material lists 9 May as a non-working public holiday.

Source-backedRule Based AnnualIn-depth guide

World Belly Dance Day

Second Saturday in May · International / belly-dance community observance

A Bayfield County, Wisconsin 2026 event page explicitly states that the second Saturday in May is World Belly Dance Day; dance-community historical references attribute the concept to Lydia…

Source-backedRule Based AnnualIn-depth guide

World Fair Trade Day

Second Saturday in May; 9 May in 2026 · World Fair Trade Organization / global fair-trade movement

The World Fair Trade Organization currently publishes World Fair Trade Day as a global campaign celebrated every second Saturday in May; the reviewed first-party source does not establish a…

Source-backedRule Based AnnualIn-depth guide

World Fair Trade Day

Second Saturday of May · World Fair Trade Organization campaign and wider Fair Trade movement observance

World Fair Trade Organization (WFTO) currently celebrates World Fair Trade Day every second Saturday of May and publishes the target-year campaign; the reviewed first-party material does no…

Source-backedRule Based AnnualIn-depth guide

World Migratory Bird Day

Second Saturday of May and second Saturday of October · UNEP-supported global conservation campaign

UNEP / CMS / AEWA partner campaign

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.

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