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Evergreen date guide

What is celebrated on April 17?

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

2018
Later action

National Alcohol Screening Day

The Senate adopted a resolution memorializing the governor to proclaim April 5, 2018 as Alcohol Screening Day in New York in conjunction with National Alcohol Screening Day.

2011
First observance

Malbec World Day

Argentine diplomatic material explicitly states that Malbec World Day was first celebrated on April 17, 2011.

2010
First observance

World Circus Day

The Federation’s inaugural announcement identifies Saturday, 17 April 2010 as the first World Circus Day.

1952
Institutional decision

National Day of Prayer

The current U.S. Code historical notes identify the April 17, 1952 enactment.

About this date

What this date contains

3 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.

0 have a country-specific scope

Country-specific observances are not presented as worldwide events.

3 have in-depth guides

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

Reviewed depth

Other in-depth guides on April 17

Source-backedFixed AnnualIn-depth guide

Evacuation Day (Independence Day)

17 April annually · Syria / national public-holiday calendar

The Syrian Arab Republic’s current eAIP public-holiday table, effective 27 March 2026, lists 17 April as Evacuation Day (Independence Day).

Source-backedFixed AnnualIn-depth guide

Malbec World Day

17 April · Argentine Malbec wine and cultural-promotion observance

Wines of Argentina / Malbec World Day

Source-backedFixed AnnualIn-depth guide

World Mustang Day

17 April annually · Ford / Mustang heritage celebration

Ford first-party material identifies April 17 as World Mustang Day and ties the date to the Mustang’s public introduction on 17 April 1964; creator/first formal edition remain unresolved.

Explore the mix

Topics represented on April 17

All topics →
Civic, Remembrance & History 1Food, Drink & Hospitality 1Arts, Entertainment & Lifestyle 1
3 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Evacuation Day (Independence Day)

17 April annually · Syria / national public-holiday calendar

The Syrian Arab Republic’s current eAIP public-holiday table, effective 27 March 2026, lists 17 April as Evacuation Day (Independence Day).

Source-backedFixed AnnualIn-depth guide

Malbec World Day

17 April · Argentine Malbec wine and cultural-promotion observance

Wines of Argentina / Malbec World Day

Source-backedFixed AnnualIn-depth guide

World Mustang Day

17 April annually · Ford / Mustang heritage celebration

Ford first-party material identifies April 17 as World Mustang Day and ties the date to the Mustang’s public introduction on 17 April 1964; creator/first formal edition remain unresolved.

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 →