Evergreen date guide

What is celebrated on October 8?

For 2026, these source-backed observances resolve to Thursday, October 8. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

6 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.

3 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 October 8

All topics →

Workplace, Professions & Appreciation 2 Arts, Entertainment & Lifestyle 1 Food, Drink & Hospitality 1 Animals, Nature & Environment 1 Health, Wellness & Awareness 1

6 date-resolved records

All observances on this date

Source-backedFixed Annual

Air Force Day / Indian Air Force Day

8 October · India / Indian Air Force

India’s Ministry of Defence, via the Press Information Bureau, documents the Indian Air Force anniversary and Air Force Day on October 8 in official 2025 communications, supporting the fixe…

Source-backedFixed Annual

Harbormaster Appreciation Day

8 October · United States / US Harbors-created harbor and port master appreciation observance

The official Harbormaster Appreciation Day site states that US Harbors started the observance in 2019 and that it occurs annually on October 8.

Source-backedEdition Specific

Harry Potter Book Day

8 October 2026 · Bloomsbury / global publisher-led event

Bloomsbury’s official Harry Potter Book Day page identifies Thursday 8 October 2026 as the current event date.

Source-backedFixed Annual

National Salmon Day

8 October · U.S. food-industry observance / salmon appreciation

Chicken of the Sea identifies October 8 as National Salmon Day and uses the occasion for salmon-focused education and recipes.

Source-backedFixed Annual

World Octopus Day

8 October annually in cited animal-welfare and aquarium sources · Octopus awareness, welfare and marine-life education observance

World Animal Protection identifies 8 October as World Octopus Day, and Birch Aquarium at UC San Diego has documented 8 October programming for the observance.

Source-backedRule Based Annual

World Sight Day

Second Thursday in October · Organizer-backed international observance

International Agency for the Prevention of Blindness (IAPB) and the global eye-health community

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 →