Evergreen date guide

What is celebrated on March 12?

See the observances and verified observance-history milestones attached to March 12. Each observance keeps its own source and date details.

Verified history

On this date in observance history

Today in history →

Selected observance milestones connected to this date, based on reviewed sources.

2020

First observance

National Working Moms Day

Working Moms of Milwaukee described March 12, 2022 as the third annual observance, corroborating a March 12, 2020 first edition.

2009

Later action

Pi Day

The House supported the designation of Pi Day and encouraged schools and educators to observe it with mathematics and science activities.

1992

Precursor

National Day — Independence and Republic anniversaries

The republic anniversary forms the second component of the current combined March 12 National Day.

1968

Precursor

National Day — Independence and Republic anniversaries

The independence anniversary forms one component of the current combined March 12 National Day.

About this date

What this date contains

5 observances

Each observance is shown once in this view, with its own source and scope details available on the guide page.

0 repeat predictably

0 use a fixed annual date and 0 follow a reusable calendar rule.

0 are edition-specific

These dates are shown only for the year or edition that has been confirmed.

2 have a country-specific scope

Country-specific observances are not presented as worldwide events.

5 have in-depth guides

These pages include reviewed meaning, history, activities, facts and FAQs.

Reviewed depth

Other in-depth guides on March 12

Source-backedEdition SpecificIn-depth guide

International School Meals Day

12 March 2026 (current edition confirmed) · WFP / UN Armenia and Armenian school-meals partners

A 2026 UN Armenia/WFP release identifies International School Meals Day as 12 March 2026.

Source-backedFixed AnnualIn-depth guide

National Day — Independence and Republic anniversaries

12 March annually; 58th Independence and 34th Republic anniversaries in 2026 · Mauritius / National Day

Mauritius public-holiday legislation lists March 12 as the day celebrating Independence Day and Republic Day; government history verifies independence on March 12, 1968 and republic status…

Source-backedFixed AnnualIn-depth guide

National Working Moms Day

12 March · United States / Working Moms of Milwaukee-created recognition observance for working mothers, launched in 2020 and annually observed March 12

National Day Calendar states that Susannah Lago of Working Moms of Milwaukee launched National Working Moms Day in 2020 and that its Registrar proclaimed annual March 12 observance on March…

Source-backedFixed AnnualIn-depth guide

World Day Against Cyber Censorship

12 March annually · Global / Reporters Without Borders campaign

Reporters Without Borders identifies 12 March as World Day Against Cyber Censorship and states that RSF initiated the observance.

Source-backedRule Based AnnualIn-depth guide

World Kidney Day

Second Thursday in March · International Society of Nephrology and International Federation of Kidney Foundations–World Kidney Alliance global awareness campaign

World Kidney Day states that the joint ISN and IFKF-WKA campaign started in 2006 and is celebrated every second Thursday in March; the 2026 campaign page identifies 12 March 2026.

Explore the mix

Topics represented on March 12

All topics →

Community, Causes & Advocacy 2 Civic, Remembrance & History 1 Relationships & Family 1 Health, Wellness & Awareness 1

5 observances

All observances on this date

Source-backedEdition SpecificIn-depth guide

International School Meals Day

12 March 2026 (current edition confirmed) · WFP / UN Armenia and Armenian school-meals partners

A 2026 UN Armenia/WFP release identifies International School Meals Day as 12 March 2026.

Source-backedFixed AnnualIn-depth guide

National Day — Independence and Republic anniversaries

12 March annually; 58th Independence and 34th Republic anniversaries in 2026 · Mauritius / National Day

Mauritius public-holiday legislation lists March 12 as the day celebrating Independence Day and Republic Day; government history verifies independence on March 12, 1968 and republic status…

Source-backedFixed AnnualIn-depth guide

National Working Moms Day

12 March · United States / Working Moms of Milwaukee-created recognition observance for working mothers, launched in 2020 and annually observed March 12

National Day Calendar states that Susannah Lago of Working Moms of Milwaukee launched National Working Moms Day in 2020 and that its Registrar proclaimed annual March 12 observance on March…

Source-backedFixed AnnualIn-depth guide

World Day Against Cyber Censorship

12 March annually · Global / Reporters Without Borders campaign

Reporters Without Borders identifies 12 March as World Day Against Cyber Censorship and states that RSF initiated the observance.

Source-backedRule Based AnnualIn-depth guide

World Kidney Day

Second Thursday in March · International Society of Nephrology and International Federation of Kidney Foundations–World Kidney Alliance global awareness campaign

World Kidney Day states that the joint ISN and IFKF-WKA campaign started in 2006 and is celebrated every second Thursday in March; the 2026 campaign page identifies 12 March 2026.

How dates are selected

This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.

Read the methodology →