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Evergreen date guide

What is celebrated on December 29?

See the observances and verified observance-history milestones attached to December 29. 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.

About this date

What this date contains

3 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.

1 have a country-specific scope

Country-specific observances are not presented as worldwide events.

3 have in-depth guides

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

Reviewed depth

Other in-depth guides on December 29

Source-backedEdition SpecificIn-depth guide

Edinburgh’s Hogmanay

29 December 2026–1 January 2027 for the Edinburgh festival edition · Edinburgh, Scotland / branded multi-day New Year festival; wider Scottish Hogmanay tradition remains distinct

Official Edinburgh festival and destination sources identify Edinburgh’s Hogmanay as a multi-day New Year festival, state that the branded festival dates back to 1993, and list the 2026–27…

Source-backedFixed AnnualIn-depth guide

Independence Day of Mongolia

29 December annually · Mongolia / statutory public holiday

Mongolia Parliament and Legal Information System sources verify December 29, the 1911 independence-restoration anchor, 2007 annual-celebration legislation and current public-holiday status.

Source-backedFixed AnnualIn-depth guide

International Cello Day

29 December annually · International music-appreciation observance

Akashvani and the Cello Museum identify International Cello Day as a recurring December 29 music-appreciation observance. The Pau Casals Foundation verifies that Pablo/Pau Casals was born o…

Explore the mix

Topics represented on December 29

All topics →
Celebrations & Social 1Civic, Remembrance & History 1Arts, Entertainment & Lifestyle 1
3 observances

All observances on this date

Source-backedEdition SpecificIn-depth guide

Edinburgh’s Hogmanay

29 December 2026–1 January 2027 for the Edinburgh festival edition · Edinburgh, Scotland / branded multi-day New Year festival; wider Scottish Hogmanay tradition remains distinct

Official Edinburgh festival and destination sources identify Edinburgh’s Hogmanay as a multi-day New Year festival, state that the branded festival dates back to 1993, and list the 2026–27…

Source-backedFixed AnnualIn-depth guide

Independence Day of Mongolia

29 December annually · Mongolia / statutory public holiday

Mongolia Parliament and Legal Information System sources verify December 29, the 1911 independence-restoration anchor, 2007 annual-celebration legislation and current public-holiday status.

Source-backedFixed AnnualIn-depth guide

International Cello Day

29 December annually · International music-appreciation observance

Akashvani and the Cello Museum identify International Cello Day as a recurring December 29 music-appreciation observance. The Pau Casals Foundation verifies that Pablo/Pau Casals was born o…

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 →