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Evergreen date guide

What is celebrated on April 27?

For 2026, these source-backed observances resolve to Monday, April 27. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

13 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.

6 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.

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Topics represented on April 27

All topics →
Civic, Remembrance & History 4Animals, Nature & Environment 4Arts, Entertainment & Lifestyle 3Health, Wellness & Awareness 1Celebrations & Social 1
13 date-resolved records

All observances on this date

Source-backedFixed Annual

Day of Uprising Against the Occupation

27 April · Slovenia / national holiday

The Government of Slovenia lists April 27 as Day of Uprising Against the Occupation among the country’s national holidays.

Source-backedFixed Annual

Freedom Day

27 April · South African national public holiday and democratic commemoration

South African Government; annual commemoration of the first democratic elections of 27 April 1994

Source-backedFixed Annual

Independence Day

27 April · Sierra Leone

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Sierra Leone — Independence Day on 27 April. The source verifies the diplomatic national-da…

Source-backedFixed Annual

Independence Day

27 April · Togo

The Presidency of the Council of Togo’s 27 April 2026 national address identifies the occasion as the 66th anniversary of the independence of the Togolese Republic.

Source-backedFixed Annual

International Design Day

27 April · Organizer-backed international design observance

International Council of Design (ICoD)

Source-backedEdition Specific

International Donor Conception Awareness Day

27 April 2026 in the current first-party edition · International / donor-conception awareness campaign

The campaign’s official site lists International Donor Conception Awareness Day on 27 April 2026.

Source-backedFixed Annual

Lapu-Lapu Day / Adlaw ni Lapu-Lapu

27 April every year · Philippines special working public holiday nationwide; special nonworking holiday in Lapu-Lapu City

Republic Act No. 11040

Source-backedEdition Specific

Marine Mammal Rescue Day

27 April 2026 in the cited Los Angeles County proclamation · Los Angeles County, California 2026 county proclamation

Los Angeles County Board material records a motion and subsequent agenda action to proclaim 27 April 2026 Marine Mammal Rescue Day throughout Los Angeles County.

Source-backedFixed Annual

National Devil Dog Day

27 April · United States / Sean Alexander Sobel-created snack-cake observance

National Day Calendar’s proclamation record identifies Sean Alexander Sobel as the founder of National Devil Dog Day and proclaims April 27 as the annual observance date.

Source-backedFixed Annual

National Little Pampered Dog Day

27 April · United States / informal pet-appreciation observance

National Today records April 27 and attributes the first 2016 observance to Lourdes Welhaven and Little Pampered Dog magazine.

Source-backedFixed Annual

National Tell a Story Day

27 April · United States / informal storytelling observance

Independent observance calendars identify April 27 as the U.S. date of National Tell a Story Day.

Source-backedFixed Annual

Samuel F. B. Morse birthday anniversary

27 April · Technology/history anniversary anchored to Samuel F. B. Morse’s birth date

The Smithsonian National Portrait Gallery records Samuel Finley Breese Morse’s birth date as 27 April 1791 and identifies him with the invention of the telegraph.

Source-backedFixed Annual

World Tapir Day

27 April · global tapir awareness and conservation observance

World Tapir Day organization

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.

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