globalobservance.info
Evergreen date guide

What is celebrated on November 12?

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

2025
Institutional decision

World Turkic Language Family Day

The final General Conference reporting cycle adopted the APX Commission report at the 15th plenary meeting on 12 November 2025; Türkiye’s 3 November statement reflects the earlier…

1996
Later action

Carl Garner Federal Lands Cleanup Day

Federal Lands Cleanup Day was renamed Carl Garner Federal Lands Cleanup Day without changing the core first-Saturday-after-Labor-Day recurrence.

About this date

What this date contains

2 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.

0 have a country-specific scope

Country-specific observances are not presented as worldwide events.

2 have in-depth guides

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

Reviewed depth

Other in-depth guides on November 12

Source-backedFixed AnnualIn-depth guide

World Pneumonia Day

12 November · Organizer-backed global health advocacy observance

Every Breath Counts coalition and global pneumonia community

Source-backedRule Based AnnualIn-depth guide

World Usability Day

Second Thursday of November · World Usability Day / World Usability Initiative international usability and human-centered-design observance

World Usability Day identifies Elizabeth Rosenzweig as founder/director, documents its 2005 first year and second-Thursday-in-November recurrence, and maintains a live 2026 program; its arc…

Explore the mix

Topics represented on November 12

All topics →
Health, Wellness & Awareness 1Arts, Entertainment & Lifestyle 1
2 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

World Pneumonia Day

12 November · Organizer-backed global health advocacy observance

Every Breath Counts coalition and global pneumonia community

Source-backedRule Based AnnualIn-depth guide

World Usability Day

Second Thursday of November · World Usability Day / World Usability Initiative international usability and human-centered-design observance

World Usability Day identifies Elizabeth Rosenzweig as founder/director, documents its 2005 first year and second-Thursday-in-November recurrence, and maintains a live 2026 program; its arc…

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 →