Evergreen date guide

What is celebrated on May 30?

For 2026, these source-backed observances resolve to Saturday, May 30. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

3 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.

1 reviewed in-depth guides

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

Reviewed depth

Other in-depth guides on May 30

Source-backedFixed AnnualIn-depth guide

International Day of Potato

30 May · FAO / United Nations / international observance

A/RES/78/123

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Topics represented on May 30

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Food, Drink & Hospitality 1 Arts, Entertainment & Lifestyle 1 Health, Wellness & Awareness 1

3 date-resolved records

All observances on this date

Source-backedFixed AnnualIn-depth guide

International Day of Potato

30 May · FAO / United Nations / international observance

A/RES/78/123

Source-backedFixed Annual

National E-Bike Day

30 May · United States / Lectric eBikes-founded recognition day

Lectric eBikes and the Outdoor Industry Association identify May 30 as National E-Bike Day and attribute its establishment to Lectric.

Source-backedFixed Annual

World MS Day

30 May · Organizer-backed international awareness observance

MS International Federation (MSIF) and its members

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 →