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Evergreen date guide

What is celebrated on April 17?

For 2026, these source-backed observances resolve to Friday, April 17. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

7 unique authority records

The list is deduplicated at the public entity layer while retaining all research provenance behind each page.

0 stable or rule-calculated

0 fixed annual and 0 reusable rule-based records can be placed without inventing a new date.

0 edition-specific

Edition-specific dates appear only when the requested year matches the verified edition; variable and historical records remain gated.

1 explicit country-scope records

Country scope stays attached to the underlying record instead of being generalized into a worldwide observance.

0 reviewed in-depth guides

These entities add reviewed meaning, history, activities, facts and FAQs without rewriting the authority facts.

Explore the mix

Topics represented on April 17

All topics →
Food, Drink & Hospitality 3Civic, Remembrance & History 1Workplace, Professions & Appreciation 1Health, Wellness & Awareness 1Arts, Entertainment & Lifestyle 1
7 date-resolved records

All observances on this date

Source-backedFixed Annual

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 Annual

International Bat Appreciation Day

17 April annually in current IUCN recognition · International / bat conservation awareness

IUCN’s 2025 conservation feature explicitly identifies International Bat Appreciation Day as 17 April and describes it as an annual occasion for highlighting bats’ ecological importance.

Source-backedFixed Annual

Malbec World Day

17 April · Argentine Malbec wine and cultural-promotion observance

Wines of Argentina / Malbec World Day

Source-backedFixed Annual

National Cheeseball Day

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

ANFP chapter calendar material lists National Cheeseball Day on April 17.

Source-backedFixed Annual

National Crawfish Day

17 April · United States / informal food observance

National Today and Days Of The Year independently place National Crawfish Day on April 17 each year.

Source-backedFixed Annual

World Hemophilia Day

17 April · Organizer-backed international observance

World Federation of Hemophilia (WFH)

Source-backedFixed Annual

World Mustang Day

17 April annually · Ford / Mustang heritage celebration

Ford’s media materials call 17 April World Mustang Day and tie the date to the Mustang’s public debut in 1964.

How this date is built

This page is assembled from verified fixed dates, reusable recurrence rules, and target-year records whose edition matches 2026. Variable, historical or unresolved records are not silently forced onto this date.

Read the methodology →