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Evergreen date guide

What is celebrated on May 10?

For 2026, these source-backed observances resolve to Sunday, May 10. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

15 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.

12 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 10

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Topics represented on May 10

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Civic, Remembrance & History 4Relationships & Family 2Animals, Nature & Environment 2Health, Wellness & Awareness 2Community, Causes & Advocacy 1Celebrations & Social 1Arts, Entertainment & Lifestyle 1Food, Drink & Hospitality 1
15 date-resolved records

All observances on this date

Source-backedFixed Annual

Día de las Madres in Mexico

10 May annually · Mexico / national social observance

Mexico’s National Population Council documents Día de las Madres on May 10 and traces the Mexican commemoration to 1922.

Source-backedFixed Annual

FSM Constitution Day

10 May; current government observance confirmed · Federated States of Micronesia / national Constitution Day

The FSM Government’s Constitution Day messages identify May 10 with the coming into force of the Constitution in 1979 and continue to mark FSM Constitution Day in current government communi…

Source-backedRule Based Annual

Mother’s Day — United States statutory observance

Second Sunday in May · United States / federal statutory observance

36 U.S.C. §117 designates the second Sunday in May as Mother’s Day and requests an annual presidential proclamation.

Source-backedEdition Specific

National Children's Day UK

10 May 2026 · United Kingdom / Flourish Project C.I.C. initiative

The official NCDUK 2026 press material sets a week of action from 4–10 May 2026, ending on the day itself, while the organizer explains that the UK initiative intentionally uses a beginning…

Source-backedFixed Annual

National Clean Your Room Day

10 May · United States / informal cleaning and home-organization observance

National Today uses National Clean Your Room Day on May 10, while National Day Calendar uses the closely matching name National Clean Up Your Room Day on the same annual date.

Source-backedRule Based Annual

National Infertility Survival Day

Sunday before Mother’s Day (U.S.) · United States / unofficial infertility-awareness and self-care observance

A New York Senate resolution identifies Beverly Barna as the creator and states that National Infertility Survival Day is observed each year on the Sunday prior to Mother’s Day.

Source-backedFixed Annual

National Miniature Golf Day

10 May · United States / informal miniature-golf observance

National Day Archives lists National Miniature Golf Day on May 10; the shorter public “Mini Golf” title is treated as an alias.

Source-backedRule Based Annual

National Public Gardens Day

Friday before Mother’s Day (8 May in 2026) · United States / American Public Gardens Association awareness initiative

The American Public Gardens Association documents National Public Gardens Day as an annual tradition on the Friday preceding Mother’s Day weekend and records its inauguration in 2009.

Source-backedFixed Annual

National Shrimp Day

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

Two Association of Nutrition & Foodservice Professionals chapter calendars list National Shrimp Day on 10 May.

Source-backedFixed Annual

National Small Business Day

10 May · United States / informal small-business appreciation observance, distinct from SBA National Small Business Week

Economic-development and calendar materials identify May 10 as National Small Business Day while separately recognizing the SBA’s National Small Business Week.

Source-backedFixed Annual

National Washington Day

10 May · United States / National Day Calendar National State Days series — Washington

National Day Calendar lists National Washington Day on 10 May. The U.S. Senate records Washington’s admission/statehood date as 11 November 1889. These are separate facts: the calendar list…

Source-backedFixed Annual

Saint Damien de Veuster Day

10 May every year · Hawaii, United States / statutory commemorative day; not a state holiday

Hawaii Revised Statutes §8-8 designates May 10 of each year as Saint Damien de Veuster Day and expressly provides that the day is not a state holiday; the 2010 amendment replaced the older…

Source-backedFixed Annual

World Lupus Day

10 May · Organizer-backed international observance

World Lupus Federation and the global lupus 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.

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