Evergreen date guide

What is celebrated on March 18?

See the observances and verified observance-history milestones attached to March 18. 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.

2024

Later action

White Ribbon Day

Confirms that White Ribbon UK operates independently from other White Ribbon entities while continuing the November 25 campaign in England and Wales.

About this date

What this date contains

4 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.

3 have a country-specific scope

Country-specific observances are not presented as worldwide events.

4 have in-depth guides

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

Reviewed depth

Other in-depth guides on March 18

Source-backedFixed AnnualIn-depth guide

Forgive Mom and Dad Day

18 March · United States / creator-defined informal Wellcat observance

Wellcat Holidays lists Forgive Mom and Dad Day on March 18 and identifies Thomas and Ruth Roy as creators of its holiday collection.

Source-backedFixed AnnualIn-depth guide

National Anthem and Flag Day

18 March annually · Aruba / national holiday

The Government of Aruba lists National Anthem and Flag Day on 18 March and describes March 18 as Aruba’s national holiday.

Source-backedRule Based AnnualIn-depth guide

SBDC Day

Third Wednesday of March · United States small-business-development-center recognition observance

America’s SBDC / SBDCNet, with U.S. Small Business Administration participation

Source-backedEdition SpecificIn-depth guide

Transit Driver Appreciation Day

18 March 2026 · U.S. public-transit appreciation / TriMet current campaign evidence

TriMet’s 2026 campaign asks riders to celebrate Transit Driver Appreciation Day on 18 March 2026.

Explore the mix

Topics represented on March 18

All topics →

Workplace, Professions & Appreciation 2 Relationships & Family 1 Civic, Remembrance & History 1

4 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

Forgive Mom and Dad Day

18 March · United States / creator-defined informal Wellcat observance

Wellcat Holidays lists Forgive Mom and Dad Day on March 18 and identifies Thomas and Ruth Roy as creators of its holiday collection.

Source-backedFixed AnnualIn-depth guide

National Anthem and Flag Day

18 March annually · Aruba / national holiday

The Government of Aruba lists National Anthem and Flag Day on 18 March and describes March 18 as Aruba’s national holiday.

Source-backedRule Based AnnualIn-depth guide

SBDC Day

Third Wednesday of March · United States small-business-development-center recognition observance

America’s SBDC / SBDCNet, with U.S. Small Business Administration participation

Source-backedEdition SpecificIn-depth guide

Transit Driver Appreciation Day

18 March 2026 · U.S. public-transit appreciation / TriMet current campaign evidence

TriMet’s 2026 campaign asks riders to celebrate Transit Driver Appreciation Day on 18 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 →