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Evergreen date guide

What is celebrated on April 29?

See the observances and verified observance-history milestones attached to April 29. 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.

2022
Later action

National Day of Reason

The AHA-backed 2022 resolution identified May 4, 2022 as National Day of Reason rather than using the historical first-Thursday rule; current AHA material now states May 4 each ye…

2015
Later action

National Day of Reason

AHA describes H. Res. 228 as the first resolution introduced in the U.S. House to honor the National Day of Reason; it did not create a permanent federal public holiday.

2001
First observance

Worldwide Pinhole Photography Day

The official archive contains the 2001 gallery, and founding-history sources identify 29 April 2001 as the first WPPD.

1992
First observance

International Guide Dog Day

IGDF’s 1992 yearbook says Wednesday 29 April 1992 was adopted as the first International Guide Dog Day.

1989
First observance

Greenery Day (Midori no Hi)

The Cabinet Office states that the holiday was created by the 1989 amendment and placed on April 29; the record treats that as the first statutory Greenery Day under the new desig…

About this date

What this date contains

7 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.

1 have a country-specific scope

Country-specific observances are not presented as worldwide events.

7 have in-depth guides

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

Reviewed depth

Other in-depth guides on April 29

Source-backedFixed AnnualIn-depth guide

International Dance Day

29 April · international dance and performing-arts observance

International Theatre Institute states that its Dance Committee founded International Dance Day in 1982 and that it is celebrated every 29 April, Jean-Georges Noverre’s birthday anniversary.

Source-backedRule Based AnnualIn-depth guide

International Guide Dog Day

Last Wednesday in April each year · International guide-dog community / IGDF

The International Guide Dog Federation states that International Guide Dog Day is celebrated on the last Wednesday in April each year and raises awareness of guide-dog services and their ro…

Source-backedFixed AnnualIn-depth guide

National Shrimp Scampi Day

29 April · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars list National Shrimp Scampi Day on 29 April.

Source-backedFixed AnnualIn-depth guide

National Supply Chain Day®

29 April · United States / Supply Chain Now-led industry celebration

Supply Chain Now’s official National Supply Chain Day page states that the celebration takes place every April 29 and identifies Mary Kate Love as founder; current 2026 programming confirms…

Source-backedRule Based AnnualIn-depth guide

Stop Food Waste Day

Last Wednesday in April · International / Compass Group-founded food-waste campaign

Compass Group first-party material verifies a 2017 U.S. launch, the first edition on 28 April 2017, global expansion in 2018 and the current annual rule of the last Wednesday in April.

Explore the mix

Topics represented on April 29

All topics →
Community, Causes & Advocacy 2Arts, Entertainment & Lifestyle 1Civic, Remembrance & History 1Animals, Nature & Environment 1Food, Drink & Hospitality 1Workplace, Professions & Appreciation 1
7 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

International Dance Day

29 April · international dance and performing-arts observance

International Theatre Institute states that its Dance Committee founded International Dance Day in 1982 and that it is celebrated every 29 April, Jean-Georges Noverre’s birthday anniversary.

Source-backedRule Based AnnualIn-depth guide

International Guide Dog Day

Last Wednesday in April each year · International guide-dog community / IGDF

The International Guide Dog Federation states that International Guide Dog Day is celebrated on the last Wednesday in April each year and raises awareness of guide-dog services and their ro…

Source-backedFixed AnnualIn-depth guide

National Shrimp Scampi Day

29 April · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars list National Shrimp Scampi Day on 29 April.

Source-backedFixed AnnualIn-depth guide

National Supply Chain Day®

29 April · United States / Supply Chain Now-led industry celebration

Supply Chain Now’s official National Supply Chain Day page states that the celebration takes place every April 29 and identifies Mary Kate Love as founder; current 2026 programming confirms…

Source-backedRule Based AnnualIn-depth guide

Stop Food Waste Day

Last Wednesday in April · International / Compass Group-founded food-waste campaign

Compass Group first-party material verifies a 2017 U.S. launch, the first edition on 28 April 2017, global expansion in 2018 and the current annual rule of the last Wednesday in April.

Source-backedFixed AnnualIn-depth guide

World Wish Day

29 April · global wish-granting awareness and support observance

Make-A-Wish International verifies World Wish Day on April 29, its connection to the April 29, 1980 wish that inspired the movement, and continuing global stewardship in 2026; the exact fir…

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 →