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Evergreen date guide

What is celebrated on May 12?

For 2026, these source-backed observances resolve to Tuesday, May 12. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

8 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.

2 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.

Curated global anchors

Major global guides on May 12

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A reviewed starting point drawn from prominent global observances with strong institutional or organizer provenance. Selection does not change each record’s official status or scope.

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Topics represented on May 12

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Health, Wellness & Awareness 5Workplace, Professions & Appreciation 2Animals, Nature & Environment 1
8 date-resolved records

All observances on this date

Source-backedFixed Annual

Fibromyalgia Awareness Day / International Fibromyalgia Awareness Day

12 May annually · Fibromyalgia advocacy community / current Canadian and U.S. state recognition

Fibromyalgia Association Canada states that Fibromyalgia Awareness Day is observed annually on May 12; current 2026 government proclamations in Michigan also recognize May 12 for the year.

Source-backedFixed Annual

International ME/CFS Awareness Day

12 May · International ME/CFS awareness / patient-advocacy context

#MEAction identifies 12 May as Myalgic Encephalomyelitis awareness day and documents International ME/CFS Awareness Day usage.

Source-backedFixed Annual

ME/CFS Awareness Day

12 May · International ME/CFS awareness / CDC public-health recognition

The U.S. Centers for Disease Control and Prevention states that May 12 marks ME/CFS International Awareness Day and presents it as an annual awareness observance.

Source-backedFixed Annual

ME/CFS International Awareness Day

12 May · International / ME/CFS awareness

CDC states that May 12 marks the international awareness day for ME/CFS and describes it as an annual observance; NIH separately identifies May 12 as ME/CFS and Fibromyalgia International A…

Source-backedFixed Annual

National Mental Health Provider Appreciation Day

12 May · United States / Anne C. Totero-created appreciation observance; separately proclaimed in Wisconsin in sourced years

Founder Anne C. Totero states that she created Mental Health Provider Appreciation Day in 2020 for May 12 and documents Wisconsin proclamations beginning in 2022; the creator continues the…

Source-backedFixed Annual

National Tampon Day

12 May · United States / TOP (The Organic Project) creator-defined period-awareness observance

National Day Archives records May 12 and identifies TOP, The Organic Project, as the 2020 founder of National Tampon Day.

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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